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Finding the Fourth Proportional to 887,851.24, 1,224,955.56 and 543,328

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Solution

The fourth proportional to 887,851.24, 1,224,955.56 and 543,328 is: 749,621.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,851.24 : 1,224,955.56 = 543,328 : x
  2. Step 2: Convert to fraction form
    887,851.24/1,224,955.56 = 543,328/x
  3. Step 3: Cross multiply
    887,851.24x = 1,224,955.56 × 543,328
  4. Step 4: Simplify right side
    887,851.24x = 665,552,654,503.68
  5. Step 5: Solve for x
    x = 665,552,654,503.68/887,851.24
  6. Step 6: Final answer
    x = 749,621.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.