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Finding the Fourth Proportional to 410,152.70, 615,230.49 and 199,610.30

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Solution

The fourth proportional to 410,152.70, 615,230.49 and 199,610.30 is: 299,416.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,152.70 : 615,230.49 = 199,610.30 : x
  2. Step 2: Convert to fraction form
    410,152.70/615,230.49 = 199,610.30/x
  3. Step 3: Cross multiply
    410,152.70x = 615,230.49 × 199,610.30
  4. Step 4: Simplify right side
    410,152.70x = 122,806,342,678.05
  5. Step 5: Solve for x
    x = 122,806,342,678.05/410,152.70
  6. Step 6: Final answer
    x = 299,416.15

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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.