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Finding the Fourth Proportional to 426,181.34, 588,121.08 and 235,193.06

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Solution

The fourth proportional to 426,181.34, 588,121.08 and 235,193.06 is: 324,561.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,181.34 : 588,121.08 = 235,193.06 : x
  2. Step 2: Convert to fraction form
    426,181.34/588,121.08 = 235,193.06/x
  3. Step 3: Cross multiply
    426,181.34x = 588,121.08 × 235,193.06
  4. Step 4: Simplify right side
    426,181.34x = 138,321,996,455.71
  5. Step 5: Solve for x
    x = 138,321,996,455.71/426,181.34
  6. Step 6: Final answer
    x = 324,561.36

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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.