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Finding the Fourth Proportional to 583,261.17, 874,891.67 and 140,029.17

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Solution

The fourth proportional to 583,261.17, 874,891.67 and 140,029.17 is: 210,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,261.17 : 874,891.67 = 140,029.17 : x
  2. Step 2: Convert to fraction form
    583,261.17/874,891.67 = 140,029.17/x
  3. Step 3: Cross multiply
    583,261.17x = 874,891.67 × 140,029.17
  4. Step 4: Simplify right side
    583,261.17x = 122,510,353,689.87
  5. Step 5: Solve for x
    x = 122,510,353,689.87/583,261.17
  6. Step 6: Final answer
    x = 210,043.73

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Double scale
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Similar ratio
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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.