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Finding the Fourth Proportional to 675,666.37, 932,419.68 and 369,742.82

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Solution

The fourth proportional to 675,666.37, 932,419.68 and 369,742.82 is: 510,245.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,666.37 : 932,419.68 = 369,742.82 : x
  2. Step 2: Convert to fraction form
    675,666.37/932,419.68 = 369,742.82/x
  3. Step 3: Cross multiply
    675,666.37x = 932,419.68 × 369,742.82
  4. Step 4: Simplify right side
    675,666.37x = 344,755,476,897.97
  5. Step 5: Solve for x
    x = 344,755,476,897.97/675,666.37
  6. Step 6: Final answer
    x = 510,245.14

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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.