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Finding the Fourth Proportional to 996,896.70, 1,495,345.05 and 491,699.70

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Solution

The fourth proportional to 996,896.70, 1,495,345.05 and 491,699.70 is: 737,549.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,896.70 : 1,495,345.05 = 491,699.70 : x
  2. Step 2: Convert to fraction form
    996,896.70/1,495,345.05 = 491,699.70/x
  3. Step 3: Cross multiply
    996,896.70x = 1,495,345.05 × 491,699.70
  4. Step 4: Simplify right side
    996,896.70x = 735,260,712,481.49
  5. Step 5: Solve for x
    x = 735,260,712,481.49/996,896.70
  6. Step 6: Final answer
    x = 737,549.55

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.