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Finding the Fourth Proportional to 483,107.40, 724,442.40 and 183,488.40

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Solution

The fourth proportional to 483,107.40, 724,442.40 and 183,488.40 is: 275,149.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,107.40 : 724,442.40 = 183,488.40 : x
  2. Step 2: Convert to fraction form
    483,107.40/724,442.40 = 183,488.40/x
  3. Step 3: Cross multiply
    483,107.40x = 724,442.40 × 183,488.40
  4. Step 4: Simplify right side
    483,107.40x = 132,926,776,868.16
  5. Step 5: Solve for x
    x = 132,926,776,868.16/483,107.40
  6. Step 6: Final answer
    x = 275,149.54

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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.