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Finding the Fourth Proportional to 564,891.20, 846,904.80 and 284,609.60

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Solution

The fourth proportional to 564,891.20, 846,904.80 and 284,609.60 is: 426,696.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,891.20 : 846,904.80 = 284,609.60 : x
  2. Step 2: Convert to fraction form
    564,891.20/846,904.80 = 284,609.60/x
  3. Step 3: Cross multiply
    564,891.20x = 846,904.80 × 284,609.60
  4. Step 4: Simplify right side
    564,891.20x = 241,037,236,366.08
  5. Step 5: Solve for x
    x = 241,037,236,366.08/564,891.20
  6. Step 6: Final answer
    x = 426,696.75

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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.