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Finding the Fourth Proportional to 577,787.36, 866,211.28 and 241,078.80

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Solution

The fourth proportional to 577,787.36, 866,211.28 and 241,078.80 is: 361,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    577,787.36 : 866,211.28 = 241,078.80 : x
  2. Step 2: Convert to fraction form
    577,787.36/866,211.28 = 241,078.80/x
  3. Step 3: Cross multiply
    577,787.36x = 866,211.28 × 241,078.80
  4. Step 4: Simplify right side
    577,787.36x = 208,825,175,928.86
  5. Step 5: Solve for x
    x = 208,825,175,928.86/577,787.36
  6. Step 6: Final answer
    x = 361,422.20

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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.