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Finding the Fourth Proportional to 426,055.34, 587,758.22 and 253,876.68

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Solution

The fourth proportional to 426,055.34, 587,758.22 and 253,876.68 is: 350,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,055.34 : 587,758.22 = 253,876.68 : x
  2. Step 2: Convert to fraction form
    426,055.34/587,758.22 = 253,876.68/x
  3. Step 3: Cross multiply
    426,055.34x = 587,758.22 × 253,876.68
  4. Step 4: Simplify right side
    426,055.34x = 149,218,106,647.02
  5. Step 5: Solve for x
    x = 149,218,106,647.02/426,055.34
  6. Step 6: Final answer
    x = 350,231.75

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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.