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Finding the Fourth Proportional to 276,590.70, 414,948.47 and 84,482.34

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Solution

The fourth proportional to 276,590.70, 414,948.47 and 84,482.34 is: 126,742.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,590.70 : 414,948.47 = 84,482.34 : x
  2. Step 2: Convert to fraction form
    276,590.70/414,948.47 = 84,482.34/x
  3. Step 3: Cross multiply
    276,590.70x = 414,948.47 × 84,482.34
  4. Step 4: Simplify right side
    276,590.70x = 35,055,818,555.85
  5. Step 5: Solve for x
    x = 35,055,818,555.85/276,590.70
  6. Step 6: Final answer
    x = 126,742.58

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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.