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Finding the Fourth Proportional to 431,974.35, 596,124.85 and 240,987.74

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Solution

The fourth proportional to 431,974.35, 596,124.85 and 240,987.74 is: 332,563.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,974.35 : 596,124.85 = 240,987.74 : x
  2. Step 2: Convert to fraction form
    431,974.35/596,124.85 = 240,987.74/x
  3. Step 3: Cross multiply
    431,974.35x = 596,124.85 × 240,987.74
  4. Step 4: Simplify right side
    431,974.35x = 143,658,780,340.52
  5. Step 5: Solve for x
    x = 143,658,780,340.52/431,974.35
  6. Step 6: Final answer
    x = 332,563.22

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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.