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Finding the Fourth Proportional to 572,896.60, 859,344.90 and 324,064.60

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Solution

The fourth proportional to 572,896.60, 859,344.90 and 324,064.60 is: 486,096.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,896.60 : 859,344.90 = 324,064.60 : x
  2. Step 2: Convert to fraction form
    572,896.60/859,344.90 = 324,064.60/x
  3. Step 3: Cross multiply
    572,896.60x = 859,344.90 × 324,064.60
  4. Step 4: Simplify right side
    572,896.60x = 278,483,261,280.54
  5. Step 5: Solve for x
    x = 278,483,261,280.54/572,896.60
  6. Step 6: Final answer
    x = 486,096.90

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Half scale
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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.