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Finding the Fourth Proportional to 349,359.52, 482,129.04 and 198,482.08

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Solution

The fourth proportional to 349,359.52, 482,129.04 and 198,482.08 is: 273,912.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,359.52 : 482,129.04 = 198,482.08 : x
  2. Step 2: Convert to fraction form
    349,359.52/482,129.04 = 198,482.08/x
  3. Step 3: Cross multiply
    349,359.52x = 482,129.04 × 198,482.08
  4. Step 4: Simplify right side
    349,359.52x = 95,693,974,687.60
  5. Step 5: Solve for x
    x = 95,693,974,687.60/349,359.52
  6. Step 6: Final answer
    x = 273,912.60

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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.