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Finding the Fourth Proportional to 482,879.20, 723,454.80 and 233,010.40

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Solution

The fourth proportional to 482,879.20, 723,454.80 and 233,010.40 is: 349,098.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,879.20 : 723,454.80 = 233,010.40 : x
  2. Step 2: Convert to fraction form
    482,879.20/723,454.80 = 233,010.40/x
  3. Step 3: Cross multiply
    482,879.20x = 723,454.80 × 233,010.40
  4. Step 4: Simplify right side
    482,879.20x = 168,572,492,329.92
  5. Step 5: Solve for x
    x = 168,572,492,329.92/482,879.20
  6. Step 6: Final answer
    x = 349,098.68

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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.