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Finding the Fourth Proportional to 454,319.31, 626,535.39 and 359,053.59

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Solution

The fourth proportional to 454,319.31, 626,535.39 and 359,053.59 is: 495,157.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,319.31 : 626,535.39 = 359,053.59 : x
  2. Step 2: Convert to fraction form
    454,319.31/626,535.39 = 359,053.59/x
  3. Step 3: Cross multiply
    454,319.31x = 626,535.39 × 359,053.59
  4. Step 4: Simplify right side
    454,319.31x = 224,959,781,041.55
  5. Step 5: Solve for x
    x = 224,959,781,041.55/454,319.31
  6. Step 6: Final answer
    x = 495,157.87

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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.