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Finding the Fourth Proportional to 363,206.40, 544,643.20 and 194,700.80

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Solution

The fourth proportional to 363,206.40, 544,643.20 and 194,700.80 is: 291,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,206.40 : 544,643.20 = 194,700.80 : x
  2. Step 2: Convert to fraction form
    363,206.40/544,643.20 = 194,700.80/x
  3. Step 3: Cross multiply
    363,206.40x = 544,643.20 × 194,700.80
  4. Step 4: Simplify right side
    363,206.40x = 106,042,466,754.56
  5. Step 5: Solve for x
    x = 106,042,466,754.56/363,206.40
  6. Step 6: Final answer
    x = 291,962.00

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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.