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Finding the Fourth Proportional to 543,050.90, 749,374.22 and 301,318.14

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Solution

The fourth proportional to 543,050.90, 749,374.22 and 301,318.14 is: 415,799.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,050.90 : 749,374.22 = 301,318.14 : x
  2. Step 2: Convert to fraction form
    543,050.90/749,374.22 = 301,318.14/x
  3. Step 3: Cross multiply
    543,050.90x = 749,374.22 × 301,318.14
  4. Step 4: Simplify right side
    543,050.90x = 225,800,046,134.35
  5. Step 5: Solve for x
    x = 225,800,046,134.35/543,050.90
  6. Step 6: Final answer
    x = 415,799.05

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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.