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Finding the Fourth Proportional to 508,397.41, 700,950.11 and 372,194.90

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Solution

The fourth proportional to 508,397.41, 700,950.11 and 372,194.90 is: 513,161.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,397.41 : 700,950.11 = 372,194.90 : x
  2. Step 2: Convert to fraction form
    508,397.41/700,950.11 = 372,194.90/x
  3. Step 3: Cross multiply
    508,397.41x = 700,950.11 × 372,194.90
  4. Step 4: Simplify right side
    508,397.41x = 260,890,053,359.28
  5. Step 5: Solve for x
    x = 260,890,053,359.28/508,397.41
  6. Step 6: Final answer
    x = 513,161.65

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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.