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Finding the Fourth Proportional to 532,288.80, 798,434.16 and 355,141.92

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Solution

The fourth proportional to 532,288.80, 798,434.16 and 355,141.92 is: 532,713.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,288.80 : 798,434.16 = 355,141.92 : x
  2. Step 2: Convert to fraction form
    532,288.80/798,434.16 = 355,141.92/x
  3. Step 3: Cross multiply
    532,288.80x = 798,434.16 × 355,141.92
  4. Step 4: Simplify right side
    532,288.80x = 283,557,440,575.99
  5. Step 5: Solve for x
    x = 283,557,440,575.99/532,288.80
  6. Step 6: Final answer
    x = 532,713.52

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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.