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Finding the Fourth Proportional to 564,788.80, 847,183.20 and 486,056.80

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Solution

The fourth proportional to 564,788.80, 847,183.20 and 486,056.80 is: 729,085.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,788.80 : 847,183.20 = 486,056.80 : x
  2. Step 2: Convert to fraction form
    564,788.80/847,183.20 = 486,056.80/x
  3. Step 3: Cross multiply
    564,788.80x = 847,183.20 × 486,056.80
  4. Step 4: Simplify right side
    564,788.80x = 411,779,155,205.76
  5. Step 5: Solve for x
    x = 411,779,155,205.76/564,788.80
  6. Step 6: Final answer
    x = 729,085.20

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Similar ratio
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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.