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Finding the Fourth Proportional to 532,851.19, 735,326.06 and 291,128.57

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Solution

The fourth proportional to 532,851.19, 735,326.06 and 291,128.57 is: 401,752.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,851.19 : 735,326.06 = 291,128.57 : x
  2. Step 2: Convert to fraction form
    532,851.19/735,326.06 = 291,128.57/x
  3. Step 3: Cross multiply
    532,851.19x = 735,326.06 × 291,128.57
  4. Step 4: Simplify right side
    532,851.19x = 214,074,424,331.53
  5. Step 5: Solve for x
    x = 214,074,424,331.53/532,851.19
  6. Step 6: Final answer
    x = 401,752.74

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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.