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Finding the Fourth Proportional to 350,459.90, 483,634.17 and 189,314.90

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Solution

The fourth proportional to 350,459.90, 483,634.17 and 189,314.90 is: 261,254.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,459.90 : 483,634.17 = 189,314.90 : x
  2. Step 2: Convert to fraction form
    350,459.90/483,634.17 = 189,314.90/x
  3. Step 3: Cross multiply
    350,459.90x = 483,634.17 × 189,314.90
  4. Step 4: Simplify right side
    350,459.90x = 91,559,154,530.13
  5. Step 5: Solve for x
    x = 91,559,154,530.13/350,459.90
  6. Step 6: Final answer
    x = 261,254.30

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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.