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Finding the Fourth Proportional to 569,793.39, 785,545.40 and 365,489.65

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Solution

The fourth proportional to 569,793.39, 785,545.40 and 365,489.65 is: 503,882.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,793.39 : 785,545.40 = 365,489.65 : x
  2. Step 2: Convert to fraction form
    569,793.39/785,545.40 = 365,489.65/x
  3. Step 3: Cross multiply
    569,793.39x = 785,545.40 × 365,489.65
  4. Step 4: Simplify right side
    569,793.39x = 287,108,713,830.18
  5. Step 5: Solve for x
    x = 287,108,713,830.18/569,793.39
  6. Step 6: Final answer
    x = 503,882.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.