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Finding the Fourth Proportional to 363,995.20, 545,774.10 and 186,848.20

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Solution

The fourth proportional to 363,995.20, 545,774.10 and 186,848.20 is: 280,160.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,995.20 : 545,774.10 = 186,848.20 : x
  2. Step 2: Convert to fraction form
    363,995.20/545,774.10 = 186,848.20/x
  3. Step 3: Cross multiply
    363,995.20x = 545,774.10 × 186,848.20
  4. Step 4: Simplify right side
    363,995.20x = 101,976,908,191.62
  5. Step 5: Solve for x
    x = 101,976,908,191.62/363,995.20
  6. Step 6: Final answer
    x = 280,160.04

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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.