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Finding the Fourth Proportional to 293,020.20, 438,874.20 and 240,532.20

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Solution

The fourth proportional to 293,020.20, 438,874.20 and 240,532.20 is: 360,259.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,020.20 : 438,874.20 = 240,532.20 : x
  2. Step 2: Convert to fraction form
    293,020.20/438,874.20 = 240,532.20/x
  3. Step 3: Cross multiply
    293,020.20x = 438,874.20 × 240,532.20
  4. Step 4: Simplify right side
    293,020.20x = 105,563,376,849.24
  5. Step 5: Solve for x
    x = 105,563,376,849.24/293,020.20
  6. Step 6: Final answer
    x = 360,259.73

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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.