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Finding the Fourth Proportional to 472,227.91, 651,655.54 and 257,363.37

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Solution

The fourth proportional to 472,227.91, 651,655.54 and 257,363.37 is: 355,151.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,227.91 : 651,655.54 = 257,363.37 : x
  2. Step 2: Convert to fraction form
    472,227.91/651,655.54 = 257,363.37/x
  3. Step 3: Cross multiply
    472,227.91x = 651,655.54 × 257,363.37
  4. Step 4: Simplify right side
    472,227.91x = 167,712,265,853.57
  5. Step 5: Solve for x
    x = 167,712,265,853.57/472,227.91
  6. Step 6: Final answer
    x = 355,151.11

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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.