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Finding the Fourth Proportional to 532,969.64, 735,495.38 and 315,256.52

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Solution

The fourth proportional to 532,969.64, 735,495.38 and 315,256.52 is: 435,052.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,969.64 : 735,495.38 = 315,256.52 : x
  2. Step 2: Convert to fraction form
    532,969.64/735,495.38 = 315,256.52/x
  3. Step 3: Cross multiply
    532,969.64x = 735,495.38 × 315,256.52
  4. Step 4: Simplify right side
    532,969.64x = 231,869,708,721.12
  5. Step 5: Solve for x
    x = 231,869,708,721.12/532,969.64
  6. Step 6: Final answer
    x = 435,052.38

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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.