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Finding the Fourth Proportional to 532,836.04, 798,565.10 and 398,663.60

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Solution

The fourth proportional to 532,836.04, 798,565.10 and 398,663.60 is: 597,479.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,836.04 : 798,565.10 = 398,663.60 : x
  2. Step 2: Convert to fraction form
    532,836.04/798,565.10 = 398,663.60/x
  3. Step 3: Cross multiply
    532,836.04x = 798,565.10 × 398,663.60
  4. Step 4: Simplify right side
    532,836.04x = 318,358,837,600.36
  5. Step 5: Solve for x
    x = 318,358,837,600.36/532,836.04
  6. Step 6: Final answer
    x = 597,479.93

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.