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Finding the Fourth Proportional to 317,254.62, 437,823.63 and 174,020.70

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Solution

The fourth proportional to 317,254.62, 437,823.63 and 174,020.70 is: 240,155.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,254.62 : 437,823.63 = 174,020.70 : x
  2. Step 2: Convert to fraction form
    317,254.62/437,823.63 = 174,020.70/x
  3. Step 3: Cross multiply
    317,254.62x = 437,823.63 × 174,020.70
  4. Step 4: Simplify right side
    317,254.62x = 76,190,374,569.14
  5. Step 5: Solve for x
    x = 76,190,374,569.14/317,254.62
  6. Step 6: Final answer
    x = 240,155.29

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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.