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Finding the Fourth Proportional to 603,120.60, 904,680.90 and 576,548.55

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Solution

The fourth proportional to 603,120.60, 904,680.90 and 576,548.55 is: 864,822.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,120.60 : 904,680.90 = 576,548.55 : x
  2. Step 2: Convert to fraction form
    603,120.60/904,680.90 = 576,548.55/x
  3. Step 3: Cross multiply
    603,120.60x = 904,680.90 × 576,548.55
  4. Step 4: Simplify right side
    603,120.60x = 521,592,461,107.70
  5. Step 5: Solve for x
    x = 521,592,461,107.70/603,120.60
  6. Step 6: Final answer
    x = 864,822.83

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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.