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Finding the Fourth Proportional to 616,977.60, 926,848.80 and 591,787.20

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Solution

The fourth proportional to 616,977.60, 926,848.80 and 591,787.20 is: 889,006.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,977.60 : 926,848.80 = 591,787.20 : x
  2. Step 2: Convert to fraction form
    616,977.60/926,848.80 = 591,787.20/x
  3. Step 3: Cross multiply
    616,977.60x = 926,848.80 × 591,787.20
  4. Step 4: Simplify right side
    616,977.60x = 548,497,256,175.36
  5. Step 5: Solve for x
    x = 548,497,256,175.36/616,977.60
  6. Step 6: Final answer
    x = 889,006.76

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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.