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Finding the Fourth Proportional to 372,296.40, 558,444.60 and 230,578.80

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Solution

The fourth proportional to 372,296.40, 558,444.60 and 230,578.80 is: 345,868.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,296.40 : 558,444.60 = 230,578.80 : x
  2. Step 2: Convert to fraction form
    372,296.40/558,444.60 = 230,578.80/x
  3. Step 3: Cross multiply
    372,296.40x = 558,444.60 × 230,578.80
  4. Step 4: Simplify right side
    372,296.40x = 128,765,485,734.48
  5. Step 5: Solve for x
    x = 128,765,485,734.48/372,296.40
  6. Step 6: Final answer
    x = 345,868.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.