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Finding the Fourth Proportional to 416,947.46, 575,585.88 and 279,363.32

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Solution

The fourth proportional to 416,947.46, 575,585.88 and 279,363.32 is: 385,654.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,947.46 : 575,585.88 = 279,363.32 : x
  2. Step 2: Convert to fraction form
    416,947.46/575,585.88 = 279,363.32/x
  3. Step 3: Cross multiply
    416,947.46x = 575,585.88 × 279,363.32
  4. Step 4: Simplify right side
    416,947.46x = 160,797,582,381.92
  5. Step 5: Solve for x
    x = 160,797,582,381.92/416,947.46
  6. Step 6: Final answer
    x = 385,654.30

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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.