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Finding the Fourth Proportional to 603,302.80, 904,954.20 and 229,277.20

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Solution

The fourth proportional to 603,302.80, 904,954.20 and 229,277.20 is: 343,915.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,302.80 : 904,954.20 = 229,277.20 : x
  2. Step 2: Convert to fraction form
    603,302.80/904,954.20 = 229,277.20/x
  3. Step 3: Cross multiply
    603,302.80x = 904,954.20 × 229,277.20
  4. Step 4: Simplify right side
    603,302.80x = 207,485,365,104.24
  5. Step 5: Solve for x
    x = 207,485,365,104.24/603,302.80
  6. Step 6: Final answer
    x = 343,915.80

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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.