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Finding the Fourth Proportional to 582,579.76, 874,209.30 and 245,599.78

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Solution

The fourth proportional to 582,579.76, 874,209.30 and 245,599.78 is: 368,542.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,579.76 : 874,209.30 = 245,599.78 : x
  2. Step 2: Convert to fraction form
    582,579.76/874,209.30 = 245,599.78/x
  3. Step 3: Cross multiply
    582,579.76x = 874,209.30 × 245,599.78
  4. Step 4: Simplify right side
    582,579.76x = 214,705,611,753.95
  5. Step 5: Solve for x
    x = 214,705,611,753.95/582,579.76
  6. Step 6: Final answer
    x = 368,542.86

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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.