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Finding the Fourth Proportional to 630,192.40, 944,424.60 and 404,861.20

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Solution

The fourth proportional to 630,192.40, 944,424.60 and 404,861.20 is: 606,736.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,192.40 : 944,424.60 = 404,861.20 : x
  2. Step 2: Convert to fraction form
    630,192.40/944,424.60 = 404,861.20/x
  3. Step 3: Cross multiply
    630,192.40x = 944,424.60 × 404,861.20
  4. Step 4: Simplify right side
    630,192.40x = 382,360,876,865.52
  5. Step 5: Solve for x
    x = 382,360,876,865.52/630,192.40
  6. Step 6: Final answer
    x = 606,736.73

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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.