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Finding the Fourth Proportional to 562,678.92, 843,098.22 and 541,683.72

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Solution

The fourth proportional to 562,678.92, 843,098.22 and 541,683.72 is: 811,639.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,678.92 : 843,098.22 = 541,683.72 : x
  2. Step 2: Convert to fraction form
    562,678.92/843,098.22 = 541,683.72/x
  3. Step 3: Cross multiply
    562,678.92x = 843,098.22 × 541,683.72
  4. Step 4: Simplify right side
    562,678.92x = 456,692,580,134.98
  5. Step 5: Solve for x
    x = 456,692,580,134.98/562,678.92
  6. Step 6: Final answer
    x = 811,639.75

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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.