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Finding the Fourth Proportional to 541,867.23, 747,776.84 and 300,165.46

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Solution

The fourth proportional to 541,867.23, 747,776.84 and 300,165.46 is: 414,228.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,867.23 : 747,776.84 = 300,165.46 : x
  2. Step 2: Convert to fraction form
    541,867.23/747,776.84 = 300,165.46/x
  3. Step 3: Cross multiply
    541,867.23x = 747,776.84 × 300,165.46
  4. Step 4: Simplify right side
    541,867.23x = 224,456,779,155.95
  5. Step 5: Solve for x
    x = 224,456,779,155.95/541,867.23
  6. Step 6: Final answer
    x = 414,228.37

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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.