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Finding the Fourth Proportional to 779,506.76, 1,169,292.66 and 247,016

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Solution

The fourth proportional to 779,506.76, 1,169,292.66 and 247,016 is: 370,534.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,506.76 : 1,169,292.66 = 247,016 : x
  2. Step 2: Convert to fraction form
    779,506.76/1,169,292.66 = 247,016/x
  3. Step 3: Cross multiply
    779,506.76x = 1,169,292.66 × 247,016
  4. Step 4: Simplify right side
    779,506.76x = 288,833,995,702.56
  5. Step 5: Solve for x
    x = 288,833,995,702.56/779,506.76
  6. Step 6: Final answer
    x = 370,534.31

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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.