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Finding the Fourth Proportional to 317,349.70, 437,947.05 and 174,107.14

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Solution

The fourth proportional to 317,349.70, 437,947.05 and 174,107.14 is: 240,270.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,349.70 : 437,947.05 = 174,107.14 : x
  2. Step 2: Convert to fraction form
    317,349.70/437,947.05 = 174,107.14/x
  3. Step 3: Cross multiply
    317,349.70x = 437,947.05 × 174,107.14
  4. Step 4: Simplify right side
    317,349.70x = 76,249,708,346.94
  5. Step 5: Solve for x
    x = 76,249,708,346.94/317,349.70
  6. Step 6: Final answer
    x = 240,270.30

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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.