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Finding the Fourth Proportional to 293,543.60, 439,732.20 and 160,185.20

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Solution

The fourth proportional to 293,543.60, 439,732.20 and 160,185.20 is: 239,959.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,543.60 : 439,732.20 = 160,185.20 : x
  2. Step 2: Convert to fraction form
    293,543.60/439,732.20 = 160,185.20/x
  3. Step 3: Cross multiply
    293,543.60x = 439,732.20 × 160,185.20
  4. Step 4: Simplify right side
    293,543.60x = 70,438,590,403.44
  5. Step 5: Solve for x
    x = 70,438,590,403.44/293,543.60
  6. Step 6: Final answer
    x = 239,959.55

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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.