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Finding the Fourth Proportional to 329,001.84, 454,031.28 and 199,896.48

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Solution

The fourth proportional to 329,001.84, 454,031.28 and 199,896.48 is: 275,862.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,001.84 : 454,031.28 = 199,896.48 : x
  2. Step 2: Convert to fraction form
    329,001.84/454,031.28 = 199,896.48/x
  3. Step 3: Cross multiply
    329,001.84x = 454,031.28 × 199,896.48
  4. Step 4: Simplify right side
    329,001.84x = 90,759,254,681.89
  5. Step 5: Solve for x
    x = 90,759,254,681.89/329,001.84
  6. Step 6: Final answer
    x = 275,862.45

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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.