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Finding the Fourth Proportional to 355,686.70, 532,937.66 and 250,284.20

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Solution

The fourth proportional to 355,686.70, 532,937.66 and 250,284.20 is: 375,009.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,686.70 : 532,937.66 = 250,284.20 : x
  2. Step 2: Convert to fraction form
    355,686.70/532,937.66 = 250,284.20/x
  3. Step 3: Cross multiply
    355,686.70x = 532,937.66 × 250,284.20
  4. Step 4: Simplify right side
    355,686.70x = 133,385,875,882.97
  5. Step 5: Solve for x
    x = 133,385,875,882.97/355,686.70
  6. Step 6: Final answer
    x = 375,009.46

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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.