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Finding the Fourth Proportional to 259,365, 389,047.50 and 62,373

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Solution

The fourth proportional to 259,365, 389,047.50 and 62,373 is: 93,559.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,365 : 389,047.50 = 62,373 : x
  2. Step 2: Convert to fraction form
    259,365/389,047.50 = 62,373/x
  3. Step 3: Cross multiply
    259,365x = 389,047.50 × 62,373
  4. Step 4: Simplify right side
    259,365x = 24,266,059,717.50
  5. Step 5: Solve for x
    x = 24,266,059,717.50/259,365
  6. Step 6: Final answer
    x = 93,559.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.