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Finding the Fourth Proportional to 250,421.64, 375,646.14 and 63,434.76

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Solution

The fourth proportional to 250,421.64, 375,646.14 and 63,434.76 is: 95,155.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,421.64 : 375,646.14 = 63,434.76 : x
  2. Step 2: Convert to fraction form
    250,421.64/375,646.14 = 63,434.76/x
  3. Step 3: Cross multiply
    250,421.64x = 375,646.14 × 63,434.76
  4. Step 4: Simplify right side
    250,421.64x = 23,829,022,735.83
  5. Step 5: Solve for x
    x = 23,829,022,735.83/250,421.64
  6. Step 6: Final answer
    x = 95,155.61

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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.