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Finding the Fourth Proportional to 431,683.80, 595,695.66 and 240,685.80

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Solution

The fourth proportional to 431,683.80, 595,695.66 and 240,685.80 is: 332,130.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,683.80 : 595,695.66 = 240,685.80 : x
  2. Step 2: Convert to fraction form
    431,683.80/595,695.66 = 240,685.80/x
  3. Step 3: Cross multiply
    431,683.80x = 595,695.66 × 240,685.80
  4. Step 4: Simplify right side
    431,683.80x = 143,375,486,483.63
  5. Step 5: Solve for x
    x = 143,375,486,483.63/431,683.80
  6. Step 6: Final answer
    x = 332,130.80

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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.