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Finding the Fourth Proportional to 603,306.20, 904,959.30 and 401,227.40

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Solution

The fourth proportional to 603,306.20, 904,959.30 and 401,227.40 is: 601,841.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,306.20 : 904,959.30 = 401,227.40 : x
  2. Step 2: Convert to fraction form
    603,306.20/904,959.30 = 401,227.40/x
  3. Step 3: Cross multiply
    603,306.20x = 904,959.30 × 401,227.40
  4. Step 4: Simplify right side
    603,306.20x = 363,094,467,044.82
  5. Step 5: Solve for x
    x = 363,094,467,044.82/603,306.20
  6. Step 6: Final answer
    x = 601,841.10

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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.