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Finding the Fourth Proportional to 415,150.68, 572,669.28 and 262,134.48

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Solution

The fourth proportional to 415,150.68, 572,669.28 and 262,134.48 is: 361,594.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,150.68 : 572,669.28 = 262,134.48 : x
  2. Step 2: Convert to fraction form
    415,150.68/572,669.28 = 262,134.48/x
  3. Step 3: Cross multiply
    415,150.68x = 572,669.28 × 262,134.48
  4. Step 4: Simplify right side
    415,150.68x = 150,116,363,924.77
  5. Step 5: Solve for x
    x = 150,116,363,924.77/415,150.68
  6. Step 6: Final answer
    x = 361,594.89

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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.