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Finding the Fourth Proportional to 477,290.79, 658,663.77 and 262,444.71

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Solution

The fourth proportional to 477,290.79, 658,663.77 and 262,444.71 is: 362,175.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,290.79 : 658,663.77 = 262,444.71 : x
  2. Step 2: Convert to fraction form
    477,290.79/658,663.77 = 262,444.71/x
  3. Step 3: Cross multiply
    477,290.79x = 658,663.77 × 262,444.71
  4. Step 4: Simplify right side
    477,290.79x = 172,862,822,105.16
  5. Step 5: Solve for x
    x = 172,862,822,105.16/477,290.79
  6. Step 6: Final answer
    x = 362,175.06

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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.