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Finding the Fourth Proportional to 317,252.12, 437,820.18 and 174,018.20

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Solution

The fourth proportional to 317,252.12, 437,820.18 and 174,018.20 is: 240,151.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,252.12 : 437,820.18 = 174,018.20 : x
  2. Step 2: Convert to fraction form
    317,252.12/437,820.18 = 174,018.20/x
  3. Step 3: Cross multiply
    317,252.12x = 437,820.18 × 174,018.20
  4. Step 4: Simplify right side
    317,252.12x = 76,188,679,647.28
  5. Step 5: Solve for x
    x = 76,188,679,647.28/317,252.12
  6. Step 6: Final answer
    x = 240,151.84

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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.