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Finding the Fourth Proportional to 329,833.32, 454,889.01 and 253,537.09

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Solution

The fourth proportional to 329,833.32, 454,889.01 and 253,537.09 is: 349,665.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,833.32 : 454,889.01 = 253,537.09 : x
  2. Step 2: Convert to fraction form
    329,833.32/454,889.01 = 253,537.09/x
  3. Step 3: Cross multiply
    329,833.32x = 454,889.01 × 253,537.09
  4. Step 4: Simplify right side
    329,833.32x = 115,331,235,681.92
  5. Step 5: Solve for x
    x = 115,331,235,681.92/329,833.32
  6. Step 6: Final answer
    x = 349,665.21

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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.