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Finding the Fourth Proportional to 580,456.29, 871,020.59 and 243,466.95

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Solution

The fourth proportional to 580,456.29, 871,020.59 and 243,466.95 is: 365,341.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,456.29 : 871,020.59 = 243,466.95 : x
  2. Step 2: Convert to fraction form
    580,456.29/871,020.59 = 243,466.95/x
  3. Step 3: Cross multiply
    580,456.29x = 871,020.59 × 243,466.95
  4. Step 4: Simplify right side
    580,456.29x = 212,064,725,217.17
  5. Step 5: Solve for x
    x = 212,064,725,217.17/580,456.29
  6. Step 6: Final answer
    x = 365,341.42

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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.