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Finding the Fourth Proportional to 366,839.20, 549,337.20 and 293,111.20

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Solution

The fourth proportional to 366,839.20, 549,337.20 and 293,111.20 is: 438,930.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,839.20 : 549,337.20 = 293,111.20 : x
  2. Step 2: Convert to fraction form
    366,839.20/549,337.20 = 293,111.20/x
  3. Step 3: Cross multiply
    366,839.20x = 549,337.20 × 293,111.20
  4. Step 4: Simplify right side
    366,839.20x = 161,016,885,896.64
  5. Step 5: Solve for x
    x = 161,016,885,896.64/366,839.20
  6. Step 6: Final answer
    x = 438,930.42

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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.