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Finding the Fourth Proportional to 545,789.68, 814,846.92 and 417,032.10

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Solution

The fourth proportional to 545,789.68, 814,846.92 and 417,032.10 is: 622,615.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,789.68 : 814,846.92 = 417,032.10 : x
  2. Step 2: Convert to fraction form
    545,789.68/814,846.92 = 417,032.10/x
  3. Step 3: Cross multiply
    545,789.68x = 814,846.92 × 417,032.10
  4. Step 4: Simplify right side
    545,789.68x = 339,817,322,226.13
  5. Step 5: Solve for x
    x = 339,817,322,226.13/545,789.68
  6. Step 6: Final answer
    x = 622,615.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.