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Finding the Fourth Proportional to 317,737, 438,480.08 and 174,500

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Solution

The fourth proportional to 317,737, 438,480.08 and 174,500 is: 240,811.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,737 : 438,480.08 = 174,500 : x
  2. Step 2: Convert to fraction form
    317,737/438,480.08 = 174,500/x
  3. Step 3: Cross multiply
    317,737x = 438,480.08 × 174,500
  4. Step 4: Simplify right side
    317,737x = 76,514,773,960
  5. Step 5: Solve for x
    x = 76,514,773,960/317,737
  6. Step 6: Final answer
    x = 240,811.66

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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.