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Finding the Fourth Proportional to 543,875.90, 750,562.11 and 298,858.66

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Solution

The fourth proportional to 543,875.90, 750,562.11 and 298,858.66 is: 412,432.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,875.90 : 750,562.11 = 298,858.66 : x
  2. Step 2: Convert to fraction form
    543,875.90/750,562.11 = 298,858.66/x
  3. Step 3: Cross multiply
    543,875.90x = 750,562.11 × 298,858.66
  4. Step 4: Simplify right side
    543,875.90x = 224,311,984,564.97
  5. Step 5: Solve for x
    x = 224,311,984,564.97/543,875.90
  6. Step 6: Final answer
    x = 412,432.30

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1.5x scale

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.