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Finding the Fourth Proportional to 630,102.60, 944,908.20 and 274,874.40

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Solution

The fourth proportional to 630,102.60, 944,908.20 and 274,874.40 is: 412,204.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,102.60 : 944,908.20 = 274,874.40 : x
  2. Step 2: Convert to fraction form
    630,102.60/944,908.20 = 274,874.40/x
  3. Step 3: Cross multiply
    630,102.60x = 944,908.20 × 274,874.40
  4. Step 4: Simplify right side
    630,102.60x = 259,731,074,530.08
  5. Step 5: Solve for x
    x = 259,731,074,530.08/630,102.60
  6. Step 6: Final answer
    x = 412,204.42

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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.