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Finding the Fourth Proportional to 412,751.52, 569,603.34 and 240,664.80

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Solution

The fourth proportional to 412,751.52, 569,603.34 and 240,664.80 is: 332,121.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,751.52 : 569,603.34 = 240,664.80 : x
  2. Step 2: Convert to fraction form
    412,751.52/569,603.34 = 240,664.80/x
  3. Step 3: Cross multiply
    412,751.52x = 569,603.34 × 240,664.80
  4. Step 4: Simplify right side
    412,751.52x = 137,083,473,900.43
  5. Step 5: Solve for x
    x = 137,083,473,900.43/412,751.52
  6. Step 6: Final answer
    x = 332,121.06

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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.