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Finding the Fourth Proportional to 353,940.88, 530,590.40 and 176,502.32

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Solution

The fourth proportional to 353,940.88, 530,590.40 and 176,502.32 is: 264,593.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,940.88 : 530,590.40 = 176,502.32 : x
  2. Step 2: Convert to fraction form
    353,940.88/530,590.40 = 176,502.32/x
  3. Step 3: Cross multiply
    353,940.88x = 530,590.40 × 176,502.32
  4. Step 4: Simplify right side
    353,940.88x = 93,650,436,569.73
  5. Step 5: Solve for x
    x = 93,650,436,569.73/353,940.88
  6. Step 6: Final answer
    x = 264,593.44

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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.