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Finding the Fourth Proportional to 329,337.84, 454,643.04 and 220,629.36

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Solution

The fourth proportional to 329,337.84, 454,643.04 and 220,629.36 is: 304,573.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,337.84 : 454,643.04 = 220,629.36 : x
  2. Step 2: Convert to fraction form
    329,337.84/454,643.04 = 220,629.36/x
  3. Step 3: Cross multiply
    329,337.84x = 454,643.04 × 220,629.36
  4. Step 4: Simplify right side
    329,337.84x = 100,307,602,943.65
  5. Step 5: Solve for x
    x = 100,307,602,943.65/329,337.84
  6. Step 6: Final answer
    x = 304,573.57

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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.