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Finding the Fourth Proportional to 996,893.70, 1,495,340.55 and 491,696.70

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Solution

The fourth proportional to 996,893.70, 1,495,340.55 and 491,696.70 is: 737,545.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,893.70 : 1,495,340.55 = 491,696.70 : x
  2. Step 2: Convert to fraction form
    996,893.70/1,495,340.55 = 491,696.70/x
  3. Step 3: Cross multiply
    996,893.70x = 1,495,340.55 × 491,696.70
  4. Step 4: Simplify right side
    996,893.70x = 735,254,013,811.19
  5. Step 5: Solve for x
    x = 735,254,013,811.19/996,893.70
  6. Step 6: Final answer
    x = 737,545.05

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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.