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Finding the Fourth Proportional to 343,281.80, 514,922.70 and 195,825.80

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Solution

The fourth proportional to 343,281.80, 514,922.70 and 195,825.80 is: 293,738.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    343,281.80 : 514,922.70 = 195,825.80 : x
  2. Step 2: Convert to fraction form
    343,281.80/514,922.70 = 195,825.80/x
  3. Step 3: Cross multiply
    343,281.80x = 514,922.70 × 195,825.80
  4. Step 4: Simplify right side
    343,281.80x = 100,835,149,665.66
  5. Step 5: Solve for x
    x = 100,835,149,665.66/343,281.80
  6. Step 6: Final answer
    x = 293,738.70

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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.