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Finding the Fourth Proportional to 345,526.79, 476,608.73 and 237,909.92

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Solution

The fourth proportional to 345,526.79, 476,608.73 and 237,909.92 is: 328,165.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,526.79 : 476,608.73 = 237,909.92 : x
  2. Step 2: Convert to fraction form
    345,526.79/476,608.73 = 237,909.92/x
  3. Step 3: Cross multiply
    345,526.79x = 476,608.73 × 237,909.92
  4. Step 4: Simplify right side
    345,526.79x = 113,389,941,253.01
  5. Step 5: Solve for x
    x = 113,389,941,253.01/345,526.79
  6. Step 6: Final answer
    x = 328,165.42

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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.