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Finding the Fourth Proportional to 417,850.32, 626,763.52 and 118,330.20

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Solution

The fourth proportional to 417,850.32, 626,763.52 and 118,330.20 is: 177,491.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,850.32 : 626,763.52 = 118,330.20 : x
  2. Step 2: Convert to fraction form
    417,850.32/626,763.52 = 118,330.20/x
  3. Step 3: Cross multiply
    417,850.32x = 626,763.52 × 118,330.20
  4. Step 4: Simplify right side
    417,850.32x = 74,165,052,674.30
  5. Step 5: Solve for x
    x = 74,165,052,674.30/417,850.32
  6. Step 6: Final answer
    x = 177,491.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.