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Finding the Fourth Proportional to 399,567.32, 599,587.43 and 147,025.14

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Solution

The fourth proportional to 399,567.32, 599,587.43 and 147,025.14 is: 220,624.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,567.32 : 599,587.43 = 147,025.14 : x
  2. Step 2: Convert to fraction form
    399,567.32/599,587.43 = 147,025.14/x
  3. Step 3: Cross multiply
    399,567.32x = 599,587.43 × 147,025.14
  4. Step 4: Simplify right side
    399,567.32x = 88,154,425,102.86
  5. Step 5: Solve for x
    x = 88,154,425,102.86/399,567.32
  6. Step 6: Final answer
    x = 220,624.72

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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.