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Finding the Fourth Proportional to 348,260.65, 480,605.20 and 195,332.85

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Solution

The fourth proportional to 348,260.65, 480,605.20 and 195,332.85 is: 269,562.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,260.65 : 480,605.20 = 195,332.85 : x
  2. Step 2: Convert to fraction form
    348,260.65/480,605.20 = 195,332.85/x
  3. Step 3: Cross multiply
    348,260.65x = 480,605.20 × 195,332.85
  4. Step 4: Simplify right side
    348,260.65x = 93,877,982,952.49
  5. Step 5: Solve for x
    x = 93,877,982,952.49/348,260.65
  6. Step 6: Final answer
    x = 269,562.42

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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.