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Finding the Fourth Proportional to 250,420.64, 375,644.64 and 63,433.76

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Solution

The fourth proportional to 250,420.64, 375,644.64 and 63,433.76 is: 95,154.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,420.64 : 375,644.64 = 63,433.76 : x
  2. Step 2: Convert to fraction form
    250,420.64/375,644.64 = 63,433.76/x
  3. Step 3: Cross multiply
    250,420.64x = 375,644.64 × 63,433.76
  4. Step 4: Simplify right side
    250,420.64x = 23,828,551,939.05
  5. Step 5: Solve for x
    x = 23,828,551,939.05/250,420.64
  6. Step 6: Final answer
    x = 95,154.11

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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.