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Finding the Fourth Proportional to 483,064.80, 724,593.60 and 146,104.80

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Solution

The fourth proportional to 483,064.80, 724,593.60 and 146,104.80 is: 219,156.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,064.80 : 724,593.60 = 146,104.80 : x
  2. Step 2: Convert to fraction form
    483,064.80/724,593.60 = 146,104.80/x
  3. Step 3: Cross multiply
    483,064.80x = 724,593.60 × 146,104.80
  4. Step 4: Simplify right side
    483,064.80x = 105,866,603,009.28
  5. Step 5: Solve for x
    x = 105,866,603,009.28/483,064.80
  6. Step 6: Final answer
    x = 219,156.11

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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.