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Finding the Fourth Proportional to 581,151.44, 871,725.86 and 154,687.34

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Solution

The fourth proportional to 581,151.44, 871,725.86 and 154,687.34 is: 232,030.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,151.44 : 871,725.86 = 154,687.34 : x
  2. Step 2: Convert to fraction form
    581,151.44/871,725.86 = 154,687.34/x
  3. Step 3: Cross multiply
    581,151.44x = 871,725.86 × 154,687.34
  4. Step 4: Simplify right side
    581,151.44x = 134,844,954,492.61
  5. Step 5: Solve for x
    x = 134,844,954,492.61/581,151.44
  6. Step 6: Final answer
    x = 232,030.66

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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.