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Finding the Fourth Proportional to 532,851.57, 735,326.59 and 291,128.96

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Solution

The fourth proportional to 532,851.57, 735,326.59 and 291,128.96 is: 401,753.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,851.57 : 735,326.59 = 291,128.96 : x
  2. Step 2: Convert to fraction form
    532,851.57/735,326.59 = 291,128.96/x
  3. Step 3: Cross multiply
    532,851.57x = 735,326.59 × 291,128.96
  4. Step 4: Simplify right side
    532,851.57x = 214,074,865,407.05
  5. Step 5: Solve for x
    x = 214,074,865,407.05/532,851.57
  6. Step 6: Final answer
    x = 401,753.28

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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.