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Finding the Fourth Proportional to 662,557.70, 993,836.55 and 452,605.70

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Solution

The fourth proportional to 662,557.70, 993,836.55 and 452,605.70 is: 678,908.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,557.70 : 993,836.55 = 452,605.70 : x
  2. Step 2: Convert to fraction form
    662,557.70/993,836.55 = 452,605.70/x
  3. Step 3: Cross multiply
    662,557.70x = 993,836.55 × 452,605.70
  4. Step 4: Simplify right side
    662,557.70x = 449,816,087,398.34
  5. Step 5: Solve for x
    x = 449,816,087,398.34/662,557.70
  6. Step 6: Final answer
    x = 678,908.55

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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.