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Finding the Fourth Proportional to 369,969.88, 510,562.07 and 200,207.65

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Solution

The fourth proportional to 369,969.88, 510,562.07 and 200,207.65 is: 276,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,969.88 : 510,562.07 = 200,207.65 : x
  2. Step 2: Convert to fraction form
    369,969.88/510,562.07 = 200,207.65/x
  3. Step 3: Cross multiply
    369,969.88x = 510,562.07 × 200,207.65
  4. Step 4: Simplify right side
    369,969.88x = 102,218,432,213.84
  5. Step 5: Solve for x
    x = 102,218,432,213.84/369,969.88
  6. Step 6: Final answer
    x = 276,288.52

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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.