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Finding the Fourth Proportional to 750,706.16, 1,125,903.72 and 277,067.84

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Solution

The fourth proportional to 750,706.16, 1,125,903.72 and 277,067.84 is: 415,544.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,706.16 : 1,125,903.72 = 277,067.84 : x
  2. Step 2: Convert to fraction form
    750,706.16/1,125,903.72 = 277,067.84/x
  3. Step 3: Cross multiply
    750,706.16x = 1,125,903.72 × 277,067.84
  4. Step 4: Simplify right side
    750,706.16x = 311,951,711,748.37
  5. Step 5: Solve for x
    x = 311,951,711,748.37/750,706.16
  6. Step 6: Final answer
    x = 415,544.36

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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.