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Finding the Fourth Proportional to 432,930.48, 649,460.52 and 152,398.32

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Solution

The fourth proportional to 432,930.48, 649,460.52 and 152,398.32 is: 228,620.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,930.48 : 649,460.52 = 152,398.32 : x
  2. Step 2: Convert to fraction form
    432,930.48/649,460.52 = 152,398.32/x
  3. Step 3: Cross multiply
    432,930.48x = 649,460.52 × 152,398.32
  4. Step 4: Simplify right side
    432,930.48x = 98,976,692,154.33
  5. Step 5: Solve for x
    x = 98,976,692,154.33/432,930.48
  6. Step 6: Final answer
    x = 228,620.29

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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.