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Finding the Fourth Proportional to 508,499.43, 701,678.11 and 304,545.12

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Solution

The fourth proportional to 508,499.43, 701,678.11 and 304,545.12 is: 420,241.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,499.43 : 701,678.11 = 304,545.12 : x
  2. Step 2: Convert to fraction form
    508,499.43/701,678.11 = 304,545.12/x
  3. Step 3: Cross multiply
    508,499.43x = 701,678.11 × 304,545.12
  4. Step 4: Simplify right side
    508,499.43x = 213,692,644,211.32
  5. Step 5: Solve for x
    x = 213,692,644,211.32/508,499.43
  6. Step 6: Final answer
    x = 420,241.66

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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.