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Finding the Fourth Proportional to 489,085.48, 732,544.42 and 375,932.52

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Solution

The fourth proportional to 489,085.48, 732,544.42 and 375,932.52 is: 563,065.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,085.48 : 732,544.42 = 375,932.52 : x
  2. Step 2: Convert to fraction form
    489,085.48/732,544.42 = 375,932.52/x
  3. Step 3: Cross multiply
    489,085.48x = 732,544.42 × 375,932.52
  4. Step 4: Simplify right side
    489,085.48x = 275,387,269,822.54
  5. Step 5: Solve for x
    x = 275,387,269,822.54/489,085.48
  6. Step 6: Final answer
    x = 563,065.72

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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.