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Finding the Fourth Proportional to 541,779.40, 747,633.52 and 300,047.56

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Solution

The fourth proportional to 541,779.40, 747,633.52 and 300,047.56 is: 414,053.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,779.40 : 747,633.52 = 300,047.56 : x
  2. Step 2: Convert to fraction form
    541,779.40/747,633.52 = 300,047.56/x
  3. Step 3: Cross multiply
    541,779.40x = 747,633.52 × 300,047.56
  4. Step 4: Simplify right side
    541,779.40x = 224,325,613,450.21
  5. Step 5: Solve for x
    x = 224,325,613,450.21/541,779.40
  6. Step 6: Final answer
    x = 414,053.42

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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.