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Finding the Fourth Proportional to 887,877.14, 1,224,980.07 and 543,353.91

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Solution

The fourth proportional to 887,877.14, 1,224,980.07 and 543,353.91 is: 749,650.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,877.14 : 1,224,980.07 = 543,353.91 : x
  2. Step 2: Convert to fraction form
    887,877.14/1,224,980.07 = 543,353.91/x
  3. Step 3: Cross multiply
    887,877.14x = 1,224,980.07 × 543,353.91
  4. Step 4: Simplify right side
    887,877.14x = 665,597,710,706.57
  5. Step 5: Solve for x
    x = 665,597,710,706.57/887,877.14
  6. Step 6: Final answer
    x = 749,650.69

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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.