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Finding the Fourth Proportional to 572,515.60, 858,773.40 and 323,683.60

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Solution

The fourth proportional to 572,515.60, 858,773.40 and 323,683.60 is: 485,525.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,515.60 : 858,773.40 = 323,683.60 : x
  2. Step 2: Convert to fraction form
    572,515.60/858,773.40 = 323,683.60/x
  3. Step 3: Cross multiply
    572,515.60x = 858,773.40 × 323,683.60
  4. Step 4: Simplify right side
    572,515.60x = 277,970,865,696.24
  5. Step 5: Solve for x
    x = 277,970,865,696.24/572,515.60
  6. Step 6: Final answer
    x = 485,525.40

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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.