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Finding the Fourth Proportional to 600,962.88, 900,134.20 and 300,920.16

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Solution

The fourth proportional to 600,962.88, 900,134.20 and 300,920.16 is: 450,724.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,962.88 : 900,134.20 = 300,920.16 : x
  2. Step 2: Convert to fraction form
    600,962.88/900,134.20 = 300,920.16/x
  3. Step 3: Cross multiply
    600,962.88x = 900,134.20 × 300,920.16
  4. Step 4: Simplify right side
    600,962.88x = 270,868,527,485.47
  5. Step 5: Solve for x
    x = 270,868,527,485.47/600,962.88
  6. Step 6: Final answer
    x = 450,724.22

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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.