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Finding the Fourth Proportional to 637,269.80, 955,904.70 and 525,295.40

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Solution

The fourth proportional to 637,269.80, 955,904.70 and 525,295.40 is: 787,943.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,269.80 : 955,904.70 = 525,295.40 : x
  2. Step 2: Convert to fraction form
    637,269.80/955,904.70 = 525,295.40/x
  3. Step 3: Cross multiply
    637,269.80x = 955,904.70 × 525,295.40
  4. Step 4: Simplify right side
    637,269.80x = 502,132,341,748.38
  5. Step 5: Solve for x
    x = 502,132,341,748.38/637,269.80
  6. Step 6: Final answer
    x = 787,943.10

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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.