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Finding the Fourth Proportional to 477,291.79, 658,665.15 and 262,445.71

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Solution

The fourth proportional to 477,291.79, 658,665.15 and 262,445.71 is: 362,176.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,291.79 : 658,665.15 = 262,445.71 : x
  2. Step 2: Convert to fraction form
    477,291.79/658,665.15 = 262,445.71/x
  3. Step 3: Cross multiply
    477,291.79x = 658,665.15 × 262,445.71
  4. Step 4: Simplify right side
    477,291.79x = 172,863,842,944.01
  5. Step 5: Solve for x
    x = 172,863,842,944.01/477,291.79
  6. Step 6: Final answer
    x = 362,176.44

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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.