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Finding the Fourth Proportional to 477,444.56, 658,877.90 and 259,655.29

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Solution

The fourth proportional to 477,444.56, 658,877.90 and 259,655.29 is: 358,326.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,444.56 : 658,877.90 = 259,655.29 : x
  2. Step 2: Convert to fraction form
    477,444.56/658,877.90 = 259,655.29/x
  3. Step 3: Cross multiply
    477,444.56x = 658,877.90 × 259,655.29
  4. Step 4: Simplify right side
    477,444.56x = 171,081,129,253.62
  5. Step 5: Solve for x
    x = 171,081,129,253.62/477,444.56
  6. Step 6: Final answer
    x = 358,326.69

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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.