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Finding the Fourth Proportional to 317,236.32, 437,798.72 and 174,001.60

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Solution

The fourth proportional to 317,236.32, 437,798.72 and 174,001.60 is: 240,129.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,236.32 : 437,798.72 = 174,001.60 : x
  2. Step 2: Convert to fraction form
    317,236.32/437,798.72 = 174,001.60/x
  3. Step 3: Cross multiply
    317,236.32x = 437,798.72 × 174,001.60
  4. Step 4: Simplify right side
    317,236.32x = 76,177,677,757.95
  5. Step 5: Solve for x
    x = 76,177,677,757.95/317,236.32
  6. Step 6: Final answer
    x = 240,129.12

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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.