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Finding the Fourth Proportional to 548,848.80, 823,964.40 and 296,330.40

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Solution

The fourth proportional to 548,848.80, 823,964.40 and 296,330.40 is: 444,868.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,848.80 : 823,964.40 = 296,330.40 : x
  2. Step 2: Convert to fraction form
    548,848.80/823,964.40 = 296,330.40/x
  3. Step 3: Cross multiply
    548,848.80x = 823,964.40 × 296,330.40
  4. Step 4: Simplify right side
    548,848.80x = 244,165,700,237.76
  5. Step 5: Solve for x
    x = 244,165,700,237.76/548,848.80
  6. Step 6: Final answer
    x = 444,868.79

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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.