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Finding the Fourth Proportional to 545,872.46, 818,695.76 and 146,418.21

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Solution

The fourth proportional to 545,872.46, 818,695.76 and 146,418.21 is: 219,597.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,872.46 : 818,695.76 = 146,418.21 : x
  2. Step 2: Convert to fraction form
    545,872.46/818,695.76 = 146,418.21/x
  3. Step 3: Cross multiply
    545,872.46x = 818,695.76 × 146,418.21
  4. Step 4: Simplify right side
    545,872.46x = 119,871,966,981.70
  5. Step 5: Solve for x
    x = 119,871,966,981.70/545,872.46
  6. Step 6: Final answer
    x = 219,597.02

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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.