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Finding the Fourth Proportional to 603,227.76, 904,841.12 and 153,948.60

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Solution

The fourth proportional to 603,227.76, 904,841.12 and 153,948.60 is: 230,922.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,227.76 : 904,841.12 = 153,948.60 : x
  2. Step 2: Convert to fraction form
    603,227.76/904,841.12 = 153,948.60/x
  3. Step 3: Cross multiply
    603,227.76x = 904,841.12 × 153,948.60
  4. Step 4: Simplify right side
    603,227.76x = 139,299,019,122.23
  5. Step 5: Solve for x
    x = 139,299,019,122.23/603,227.76
  6. Step 6: Final answer
    x = 230,922.76

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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.