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Finding the Fourth Proportional to 625,159.89, 937,739.84 and 225,799.11

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Solution

The fourth proportional to 625,159.89, 937,739.84 and 225,799.11 is: 338,698.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,159.89 : 937,739.84 = 225,799.11 : x
  2. Step 2: Convert to fraction form
    625,159.89/937,739.84 = 225,799.11/x
  3. Step 3: Cross multiply
    625,159.89x = 937,739.84 × 225,799.11
  4. Step 4: Simplify right side
    625,159.89x = 211,740,820,154.55
  5. Step 5: Solve for x
    x = 211,740,820,154.55/625,159.89
  6. Step 6: Final answer
    x = 338,698.67

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Double scale
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Similar ratio
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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.