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Finding the Fourth Proportional to 474,319.52, 654,799.92 and 366,646.40

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Solution

The fourth proportional to 474,319.52, 654,799.92 and 366,646.40 is: 506,156.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,319.52 : 654,799.92 = 366,646.40 : x
  2. Step 2: Convert to fraction form
    474,319.52/654,799.92 = 366,646.40/x
  3. Step 3: Cross multiply
    474,319.52x = 654,799.92 × 366,646.40
  4. Step 4: Simplify right side
    474,319.52x = 240,080,033,388.29
  5. Step 5: Solve for x
    x = 240,080,033,388.29/474,319.52
  6. Step 6: Final answer
    x = 506,156.76

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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.