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Finding the Fourth Proportional to 600,215.20, 900,322.80 and 376,266.40

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Solution

The fourth proportional to 600,215.20, 900,322.80 and 376,266.40 is: 564,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,215.20 : 900,322.80 = 376,266.40 : x
  2. Step 2: Convert to fraction form
    600,215.20/900,322.80 = 376,266.40/x
  3. Step 3: Cross multiply
    600,215.20x = 900,322.80 × 376,266.40
  4. Step 4: Simplify right side
    600,215.20x = 338,761,218,793.92
  5. Step 5: Solve for x
    x = 338,761,218,793.92/600,215.20
  6. Step 6: Final answer
    x = 564,399.60

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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.