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Finding the Fourth Proportional to 352,414.24, 528,639.80 and 163,051.47

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Solution

The fourth proportional to 352,414.24, 528,639.80 and 163,051.47 is: 244,585.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,414.24 : 528,639.80 = 163,051.47 : x
  2. Step 2: Convert to fraction form
    352,414.24/528,639.80 = 163,051.47/x
  3. Step 3: Cross multiply
    352,414.24x = 528,639.80 × 163,051.47
  4. Step 4: Simplify right side
    352,414.24x = 86,195,495,675.25
  5. Step 5: Solve for x
    x = 86,195,495,675.25/352,414.24
  6. Step 6: Final answer
    x = 244,585.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.