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Finding the Fourth Proportional to 532,885.45, 735,387.09 and 291,168.02

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Solution

The fourth proportional to 532,885.45, 735,387.09 and 291,168.02 is: 401,814.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,885.45 : 735,387.09 = 291,168.02 : x
  2. Step 2: Convert to fraction form
    532,885.45/735,387.09 = 291,168.02/x
  3. Step 3: Cross multiply
    532,885.45x = 735,387.09 × 291,168.02
  4. Step 4: Simplify right side
    532,885.45x = 214,121,202,928.86
  5. Step 5: Solve for x
    x = 214,121,202,928.86/532,885.45
  6. Step 6: Final answer
    x = 401,814.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.