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Finding the Fourth Proportional to 417,152.20, 625,357.20 and 150,853.55

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Solution

The fourth proportional to 417,152.20, 625,357.20 and 150,853.55 is: 226,146.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,152.20 : 625,357.20 = 150,853.55 : x
  2. Step 2: Convert to fraction form
    417,152.20/625,357.20 = 150,853.55/x
  3. Step 3: Cross multiply
    417,152.20x = 625,357.20 × 150,853.55
  4. Step 4: Simplify right side
    417,152.20x = 94,337,353,638.06
  5. Step 5: Solve for x
    x = 94,337,353,638.06/417,152.20
  6. Step 6: Final answer
    x = 226,146.13

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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.