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Finding the Fourth Proportional to 426,376.88, 588,477.12 and 254,305.88

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Solution

The fourth proportional to 426,376.88, 588,477.12 and 254,305.88 is: 350,988.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,376.88 : 588,477.12 = 254,305.88 : x
  2. Step 2: Convert to fraction form
    426,376.88/588,477.12 = 254,305.88/x
  3. Step 3: Cross multiply
    426,376.88x = 588,477.12 × 254,305.88
  4. Step 4: Simplify right side
    426,376.88x = 149,653,191,861.47
  5. Step 5: Solve for x
    x = 149,653,191,861.47/426,376.88
  6. Step 6: Final answer
    x = 350,988.06

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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.