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Finding the Fourth Proportional to 603,273.20, 904,909.80 and 401,194.40

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Solution

The fourth proportional to 603,273.20, 904,909.80 and 401,194.40 is: 601,791.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,273.20 : 904,909.80 = 401,194.40 : x
  2. Step 2: Convert to fraction form
    603,273.20/904,909.80 = 401,194.40/x
  3. Step 3: Cross multiply
    603,273.20x = 904,909.80 × 401,194.40
  4. Step 4: Simplify right side
    603,273.20x = 363,044,744,265.12
  5. Step 5: Solve for x
    x = 363,044,744,265.12/603,273.20
  6. Step 6: Final answer
    x = 601,791.60

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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.