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Finding the Fourth Proportional to 426,085.84, 587,998.04 and 235,099.24

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Solution

The fourth proportional to 426,085.84, 587,998.04 and 235,099.24 is: 324,436.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,085.84 : 587,998.04 = 235,099.24 : x
  2. Step 2: Convert to fraction form
    426,085.84/587,998.04 = 235,099.24/x
  3. Step 3: Cross multiply
    426,085.84x = 587,998.04 × 235,099.24
  4. Step 4: Simplify right side
    426,085.84x = 138,237,892,325.49
  5. Step 5: Solve for x
    x = 138,237,892,325.49/426,085.84
  6. Step 6: Final answer
    x = 324,436.72

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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.