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Finding the Fourth Proportional to 344,586.47, 516,879.71 and 157,466.75

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Solution

The fourth proportional to 344,586.47, 516,879.71 and 157,466.75 is: 236,200.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,586.47 : 516,879.71 = 157,466.75 : x
  2. Step 2: Convert to fraction form
    344,586.47/516,879.71 = 157,466.75/x
  3. Step 3: Cross multiply
    344,586.47x = 516,879.71 × 157,466.75
  4. Step 4: Simplify right side
    344,586.47x = 81,391,368,074.64
  5. Step 5: Solve for x
    x = 81,391,368,074.64/344,586.47
  6. Step 6: Final answer
    x = 236,200.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.