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Finding the Fourth Proportional to 672,219.71, 927,663.33 and 366,296.14

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Solution

The fourth proportional to 672,219.71, 927,663.33 and 366,296.14 is: 505,488.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,219.71 : 927,663.33 = 366,296.14 : x
  2. Step 2: Convert to fraction form
    672,219.71/927,663.33 = 366,296.14/x
  3. Step 3: Cross multiply
    672,219.71x = 927,663.33 × 366,296.14
  4. Step 4: Simplify right side
    672,219.71x = 339,799,499,531.74
  5. Step 5: Solve for x
    x = 339,799,499,531.74/672,219.71
  6. Step 6: Final answer
    x = 505,488.75

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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.