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Finding the Fourth Proportional to 630,057.80, 944,760.30 and 186,768.20

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Solution

The fourth proportional to 630,057.80, 944,760.30 and 186,768.20 is: 280,055.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    630,057.80 : 944,760.30 = 186,768.20 : x
  2. Step 2: Convert to fraction form
    630,057.80/944,760.30 = 186,768.20/x
  3. Step 3: Cross multiply
    630,057.80x = 944,760.30 × 186,768.20
  4. Step 4: Simplify right side
    630,057.80x = 176,451,180,662.46
  5. Step 5: Solve for x
    x = 176,451,180,662.46/630,057.80
  6. Step 6: Final answer
    x = 280,055.55

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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.