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Finding the Fourth Proportional to 329,900.49, 455,256.99 and 200,792.16

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Solution

The fourth proportional to 329,900.49, 455,256.99 and 200,792.16 is: 277,089.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,900.49 : 455,256.99 = 200,792.16 : x
  2. Step 2: Convert to fraction form
    329,900.49/455,256.99 = 200,792.16/x
  3. Step 3: Cross multiply
    329,900.49x = 455,256.99 × 200,792.16
  4. Step 4: Simplify right side
    329,900.49x = 91,412,034,377.20
  5. Step 5: Solve for x
    x = 91,412,034,377.20/329,900.49
  6. Step 6: Final answer
    x = 277,089.72

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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.