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Finding the Fourth Proportional to 431,065.86, 594,889.23 and 240,079.25

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Solution

The fourth proportional to 431,065.86, 594,889.23 and 240,079.25 is: 331,319.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,065.86 : 594,889.23 = 240,079.25 : x
  2. Step 2: Convert to fraction form
    431,065.86/594,889.23 = 240,079.25/x
  3. Step 3: Cross multiply
    431,065.86x = 594,889.23 × 240,079.25
  4. Step 4: Simplify right side
    431,065.86x = 142,820,557,862.30
  5. Step 5: Solve for x
    x = 142,820,557,862.30/431,065.86
  6. Step 6: Final answer
    x = 331,319.58

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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.