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Finding the Fourth Proportional to 562,220.70, 843,719.85 and 404,562.30

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Solution

The fourth proportional to 562,220.70, 843,719.85 and 404,562.30 is: 607,123.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,220.70 : 843,719.85 = 404,562.30 : x
  2. Step 2: Convert to fraction form
    562,220.70/843,719.85 = 404,562.30/x
  3. Step 3: Cross multiply
    562,220.70x = 843,719.85 × 404,562.30
  4. Step 4: Simplify right side
    562,220.70x = 341,337,243,071.66
  5. Step 5: Solve for x
    x = 341,337,243,071.66/562,220.70
  6. Step 6: Final answer
    x = 607,123.22

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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.