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Finding the Fourth Proportional to 574,157.76, 861,421.05 and 174,875.82

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Solution

The fourth proportional to 574,157.76, 861,421.05 and 174,875.82 is: 262,369.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,157.76 : 861,421.05 = 174,875.82 : x
  2. Step 2: Convert to fraction form
    574,157.76/861,421.05 = 174,875.82/x
  3. Step 3: Cross multiply
    574,157.76x = 861,421.05 × 174,875.82
  4. Step 4: Simplify right side
    574,157.76x = 150,641,712,484.01
  5. Step 5: Solve for x
    x = 150,641,712,484.01/574,157.76
  6. Step 6: Final answer
    x = 262,369.90

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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.