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Finding the Fourth Proportional to 580,914.72, 871,713 and 243,929.34

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Solution

The fourth proportional to 580,914.72, 871,713 and 243,929.34 is: 366,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,914.72 : 871,713 = 243,929.34 : x
  2. Step 2: Convert to fraction form
    580,914.72/871,713 = 243,929.34/x
  3. Step 3: Cross multiply
    580,914.72x = 871,713 × 243,929.34
  4. Step 4: Simplify right side
    580,914.72x = 212,636,376,759.42
  5. Step 5: Solve for x
    x = 212,636,376,759.42/580,914.72
  6. Step 6: Final answer
    x = 366,037.16

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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.