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Finding the Fourth Proportional to 630,296.99, 945,448.96 and 156,982.38

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Solution

The fourth proportional to 630,296.99, 945,448.96 and 156,982.38 is: 235,474.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,296.99 : 945,448.96 = 156,982.38 : x
  2. Step 2: Convert to fraction form
    630,296.99/945,448.96 = 156,982.38/x
  3. Step 3: Cross multiply
    630,296.99x = 945,448.96 × 156,982.38
  4. Step 4: Simplify right side
    630,296.99x = 148,418,827,909.33
  5. Step 5: Solve for x
    x = 148,418,827,909.33/630,296.99
  6. Step 6: Final answer
    x = 235,474.44

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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.