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Finding the Fourth Proportional to 675,666.39, 932,419.53 and 369,742.83

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Solution

The fourth proportional to 675,666.39, 932,419.53 and 369,742.83 is: 510,245.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,666.39 : 932,419.53 = 369,742.83 : x
  2. Step 2: Convert to fraction form
    675,666.39/932,419.53 = 369,742.83/x
  3. Step 3: Cross multiply
    675,666.39x = 932,419.53 × 369,742.83
  4. Step 4: Simplify right side
    675,666.39x = 344,755,435,769.47
  5. Step 5: Solve for x
    x = 344,755,435,769.47/675,666.39
  6. Step 6: Final answer
    x = 510,245.06

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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.