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Finding the Fourth Proportional to 543,189.57, 749,592.24 and 301,482.33

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Solution

The fourth proportional to 543,189.57, 749,592.24 and 301,482.33 is: 416,040.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,189.57 : 749,592.24 = 301,482.33 : x
  2. Step 2: Convert to fraction form
    543,189.57/749,592.24 = 301,482.33/x
  3. Step 3: Cross multiply
    543,189.57x = 749,592.24 × 301,482.33
  4. Step 4: Simplify right side
    543,189.57x = 225,988,815,065.12
  5. Step 5: Solve for x
    x = 225,988,815,065.12/543,189.57
  6. Step 6: Final answer
    x = 416,040.42

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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.