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Finding the Fourth Proportional to 259,298.25, 388,947.38 and 62,306.25

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Solution

The fourth proportional to 259,298.25, 388,947.38 and 62,306.25 is: 93,459.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,298.25 : 388,947.38 = 62,306.25 : x
  2. Step 2: Convert to fraction form
    259,298.25/388,947.38 = 62,306.25/x
  3. Step 3: Cross multiply
    259,298.25x = 388,947.38 × 62,306.25
  4. Step 4: Simplify right side
    259,298.25x = 24,233,852,383.59
  5. Step 5: Solve for x
    x = 24,233,852,383.59/259,298.25
  6. Step 6: Final answer
    x = 93,459.38

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1.5x scale

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.