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Finding the Fourth Proportional to 532,884.45, 735,385.71 and 291,167.02

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Solution

The fourth proportional to 532,884.45, 735,385.71 and 291,167.02 is: 401,813.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,884.45 : 735,385.71 = 291,167.02 : x
  2. Step 2: Convert to fraction form
    532,884.45/735,385.71 = 291,167.02/x
  3. Step 3: Cross multiply
    532,884.45x = 735,385.71 × 291,167.02
  4. Step 4: Simplify right side
    532,884.45x = 214,120,065,731.28
  5. Step 5: Solve for x
    x = 214,120,065,731.28/532,884.45
  6. Step 6: Final answer
    x = 401,813.31

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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.