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Finding the Fourth Proportional to 541,458.56, 747,221.64 and 296,439.19

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Solution

The fourth proportional to 541,458.56, 747,221.64 and 296,439.19 is: 409,090.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,458.56 : 747,221.64 = 296,439.19 : x
  2. Step 2: Convert to fraction form
    541,458.56/747,221.64 = 296,439.19/x
  3. Step 3: Cross multiply
    541,458.56x = 747,221.64 × 296,439.19
  4. Step 4: Simplify right side
    541,458.56x = 221,505,779,977.67
  5. Step 5: Solve for x
    x = 221,505,779,977.67/541,458.56
  6. Step 6: Final answer
    x = 409,090.92

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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.