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Finding the Fourth Proportional to 431,048.80, 594,865.80 and 240,062.20

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Solution

The fourth proportional to 431,048.80, 594,865.80 and 240,062.20 is: 331,296.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,048.80 : 594,865.80 = 240,062.20 : x
  2. Step 2: Convert to fraction form
    431,048.80/594,865.80 = 240,062.20/x
  3. Step 3: Cross multiply
    431,048.80x = 594,865.80 × 240,062.20
  4. Step 4: Simplify right side
    431,048.80x = 142,804,792,652.76
  5. Step 5: Solve for x
    x = 142,804,792,652.76/431,048.80
  6. Step 6: Final answer
    x = 331,296.11

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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.