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Finding the Fourth Proportional to 624,138.48, 935,645.72 and 224,498.34

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Solution

The fourth proportional to 624,138.48, 935,645.72 and 224,498.34 is: 336,545.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,138.48 : 935,645.72 = 224,498.34 : x
  2. Step 2: Convert to fraction form
    624,138.48/935,645.72 = 224,498.34/x
  3. Step 3: Cross multiply
    624,138.48x = 935,645.72 × 224,498.34
  4. Step 4: Simplify right side
    624,138.48x = 210,050,910,968.11
  5. Step 5: Solve for x
    x = 210,050,910,968.11/624,138.48
  6. Step 6: Final answer
    x = 336,545.36

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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.