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Finding the Fourth Proportional to 317,259.64, 437,817.90 and 174,020.32

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Solution

The fourth proportional to 317,259.64, 437,817.90 and 174,020.32 is: 240,147.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,259.64 : 437,817.90 = 174,020.32 : x
  2. Step 2: Convert to fraction form
    317,259.64/437,817.90 = 174,020.32/x
  3. Step 3: Cross multiply
    317,259.64x = 437,817.90 × 174,020.32
  4. Step 4: Simplify right side
    317,259.64x = 76,189,211,059.73
  5. Step 5: Solve for x
    x = 76,189,211,059.73/317,259.64
  6. Step 6: Final answer
    x = 240,147.82

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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.