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Finding the Fourth Proportional to 317,841.96, 438,600.24 and 174,608.04

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Solution

The fourth proportional to 317,841.96, 438,600.24 and 174,608.04 is: 240,947.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,841.96 : 438,600.24 = 174,608.04 : x
  2. Step 2: Convert to fraction form
    317,841.96/438,600.24 = 174,608.04/x
  3. Step 3: Cross multiply
    317,841.96x = 438,600.24 × 174,608.04
  4. Step 4: Simplify right side
    317,841.96x = 76,583,128,249.93
  5. Step 5: Solve for x
    x = 76,583,128,249.93/317,841.96
  6. Step 6: Final answer
    x = 240,947.19

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1.5x scale

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.