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Finding the Fourth Proportional to 329,255.52, 454,345.68 and 186,028

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Solution

The fourth proportional to 329,255.52, 454,345.68 and 186,028 is: 256,703.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,255.52 : 454,345.68 = 186,028 : x
  2. Step 2: Convert to fraction form
    329,255.52/454,345.68 = 186,028/x
  3. Step 3: Cross multiply
    329,255.52x = 454,345.68 × 186,028
  4. Step 4: Simplify right side
    329,255.52x = 84,521,018,159.04
  5. Step 5: Solve for x
    x = 84,521,018,159.04/329,255.52
  6. Step 6: Final answer
    x = 256,703.42

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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.