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Finding the Fourth Proportional to 524,205.60, 786,308.40 and 169,231.20

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Solution

The fourth proportional to 524,205.60, 786,308.40 and 169,231.20 is: 253,846.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,205.60 : 786,308.40 = 169,231.20 : x
  2. Step 2: Convert to fraction form
    524,205.60/786,308.40 = 169,231.20/x
  3. Step 3: Cross multiply
    524,205.60x = 786,308.40 × 169,231.20
  4. Step 4: Simplify right side
    524,205.60x = 133,067,914,102.08
  5. Step 5: Solve for x
    x = 133,067,914,102.08/524,205.60
  6. Step 6: Final answer
    x = 253,846.80

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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.