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Finding the Fourth Proportional to 543,877.90, 750,564.88 and 298,860.66

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Solution

The fourth proportional to 543,877.90, 750,564.88 and 298,860.66 is: 412,435.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,877.90 : 750,564.88 = 298,860.66 : x
  2. Step 2: Convert to fraction form
    543,877.90/750,564.88 = 298,860.66/x
  3. Step 3: Cross multiply
    543,877.90x = 750,564.88 × 298,860.66
  4. Step 4: Simplify right side
    543,877.90x = 224,314,315,409.62
  5. Step 5: Solve for x
    x = 224,314,315,409.62/543,877.90
  6. Step 6: Final answer
    x = 412,435.06

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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.