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Finding the Fourth Proportional to 483,248.88, 724,880.61 and 146,305.08

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Solution

The fourth proportional to 483,248.88, 724,880.61 and 146,305.08 is: 219,459.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,248.88 : 724,880.61 = 146,305.08 : x
  2. Step 2: Convert to fraction form
    483,248.88/724,880.61 = 146,305.08/x
  3. Step 3: Cross multiply
    483,248.88x = 724,880.61 × 146,305.08
  4. Step 4: Simplify right side
    483,248.88x = 106,053,715,636.50
  5. Step 5: Solve for x
    x = 106,053,715,636.50/483,248.88
  6. Step 6: Final answer
    x = 219,459.83

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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.