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Finding the Fourth Proportional to 418,253.28, 577,187.52 and 236,964.82

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Solution

The fourth proportional to 418,253.28, 577,187.52 and 236,964.82 is: 327,010.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,253.28 : 577,187.52 = 236,964.82 : x
  2. Step 2: Convert to fraction form
    418,253.28/577,187.52 = 236,964.82/x
  3. Step 3: Cross multiply
    418,253.28x = 577,187.52 × 236,964.82
  4. Step 4: Simplify right side
    418,253.28x = 136,773,136,783.05
  5. Step 5: Solve for x
    x = 136,773,136,783.05/418,253.28
  6. Step 6: Final answer
    x = 327,010.31

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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.