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Finding the Fourth Proportional to 431,363.70, 595,282.50 and 240,372.90

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Solution

The fourth proportional to 431,363.70, 595,282.50 and 240,372.90 is: 331,714.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,363.70 : 595,282.50 = 240,372.90 : x
  2. Step 2: Convert to fraction form
    431,363.70/595,282.50 = 240,372.90/x
  3. Step 3: Cross multiply
    431,363.70x = 595,282.50 × 240,372.90
  4. Step 4: Simplify right side
    431,363.70x = 143,089,780,844.25
  5. Step 5: Solve for x
    x = 143,089,780,844.25/431,363.70
  6. Step 6: Final answer
    x = 331,714.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.