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Finding the Fourth Proportional to 541,489.68, 747,333.96 and 312,003.03

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Solution

The fourth proportional to 541,489.68, 747,333.96 and 312,003.03 is: 430,609.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,489.68 : 747,333.96 = 312,003.03 : x
  2. Step 2: Convert to fraction form
    541,489.68/747,333.96 = 312,003.03/x
  3. Step 3: Cross multiply
    541,489.68x = 747,333.96 × 312,003.03
  4. Step 4: Simplify right side
    541,489.68x = 233,170,459,941.90
  5. Step 5: Solve for x
    x = 233,170,459,941.90/541,489.68
  6. Step 6: Final answer
    x = 430,609.24

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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.