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Finding the Fourth Proportional to 238,960.80, 357,922.80 and 197,488.80

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Solution

The fourth proportional to 238,960.80, 357,922.80 and 197,488.80 is: 295,804.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,960.80 : 357,922.80 = 197,488.80 : x
  2. Step 2: Convert to fraction form
    238,960.80/357,922.80 = 197,488.80/x
  3. Step 3: Cross multiply
    238,960.80x = 357,922.80 × 197,488.80
  4. Step 4: Simplify right side
    238,960.80x = 70,685,744,264.64
  5. Step 5: Solve for x
    x = 70,685,744,264.64/238,960.80
  6. Step 6: Final answer
    x = 295,804.77

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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.