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Finding the Fourth Proportional to 317,250.87, 437,798.68 and 174,009.66

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Solution

The fourth proportional to 317,250.87, 437,798.68 and 174,009.66 is: 240,129.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,250.87 : 437,798.68 = 174,009.66 : x
  2. Step 2: Convert to fraction form
    317,250.87/437,798.68 = 174,009.66/x
  3. Step 3: Cross multiply
    317,250.87x = 437,798.68 × 174,009.66
  4. Step 4: Simplify right side
    317,250.87x = 76,181,199,455.25
  5. Step 5: Solve for x
    x = 76,181,199,455.25/317,250.87
  6. Step 6: Final answer
    x = 240,129.21

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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.