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Finding the Fourth Proportional to 472,227.86, 651,655.46 and 257,363.30

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Solution

The fourth proportional to 472,227.86, 651,655.46 and 257,363.30 is: 355,151.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,227.86 : 651,655.46 = 257,363.30 : x
  2. Step 2: Convert to fraction form
    472,227.86/651,655.46 = 257,363.30/x
  3. Step 3: Cross multiply
    472,227.86x = 651,655.46 × 257,363.30
  4. Step 4: Simplify right side
    472,227.86x = 167,712,201,921.17
  5. Step 5: Solve for x
    x = 167,712,201,921.17/472,227.86
  6. Step 6: Final answer
    x = 355,151.01

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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.