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Finding the Fourth Proportional to 912,609, 1,368,913.56 and 247,761

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Solution

The fourth proportional to 912,609, 1,368,913.56 and 247,761 is: 371,641.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,609 : 1,368,913.56 = 247,761 : x
  2. Step 2: Convert to fraction form
    912,609/1,368,913.56 = 247,761/x
  3. Step 3: Cross multiply
    912,609x = 1,368,913.56 × 247,761
  4. Step 4: Simplify right side
    912,609x = 339,163,392,539.16
  5. Step 5: Solve for x
    x = 339,163,392,539.16/912,609
  6. Step 6: Final answer
    x = 371,641.52

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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.