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Finding the Fourth Proportional to 432,294.77, 648,529.64 and 151,833.89

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Solution

The fourth proportional to 432,294.77, 648,529.64 and 151,833.89 is: 227,781.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,294.77 : 648,529.64 = 151,833.89 : x
  2. Step 2: Convert to fraction form
    432,294.77/648,529.64 = 151,833.89/x
  3. Step 3: Cross multiply
    432,294.77x = 648,529.64 × 151,833.89
  4. Step 4: Simplify right side
    432,294.77x = 98,468,779,453.03
  5. Step 5: Solve for x
    x = 98,468,779,453.03/432,294.77
  6. Step 6: Final answer
    x = 227,781.56

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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.