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Finding the Fourth Proportional to 329,368.52, 454,530.20 and 178,465.52

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Solution

The fourth proportional to 329,368.52, 454,530.20 and 178,465.52 is: 246,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,368.52 : 454,530.20 = 178,465.52 : x
  2. Step 2: Convert to fraction form
    329,368.52/454,530.20 = 178,465.52/x
  3. Step 3: Cross multiply
    329,368.52x = 454,530.20 × 178,465.52
  4. Step 4: Simplify right side
    329,368.52x = 81,117,968,498.70
  5. Step 5: Solve for x
    x = 81,117,968,498.70/329,368.52
  6. Step 6: Final answer
    x = 246,283.31

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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.