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Finding the Fourth Proportional to 452,649.60, 678,974.40 and 227,923.20

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Solution

The fourth proportional to 452,649.60, 678,974.40 and 227,923.20 is: 341,884.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    452,649.60 : 678,974.40 = 227,923.20 : x
  2. Step 2: Convert to fraction form
    452,649.60/678,974.40 = 227,923.20/x
  3. Step 3: Cross multiply
    452,649.60x = 678,974.40 × 227,923.20
  4. Step 4: Simplify right side
    452,649.60x = 154,754,017,966.08
  5. Step 5: Solve for x
    x = 154,754,017,966.08/452,649.60
  6. Step 6: Final answer
    x = 341,884.80

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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.