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Finding the Fourth Proportional to 355,668.16, 532,909.92 and 250,265.69

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Solution

The fourth proportional to 355,668.16, 532,909.92 and 250,265.69 is: 374,981.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,668.16 : 532,909.92 = 250,265.69 : x
  2. Step 2: Convert to fraction form
    355,668.16/532,909.92 = 250,265.69/x
  3. Step 3: Cross multiply
    355,668.16x = 532,909.92 × 250,265.69
  4. Step 4: Simplify right side
    355,668.16x = 133,369,068,836.65
  5. Step 5: Solve for x
    x = 133,369,068,836.65/355,668.16
  6. Step 6: Final answer
    x = 374,981.75

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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.