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Finding the Fourth Proportional to 633,554.52, 874,367.88 and 361,663.32

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Solution

The fourth proportional to 633,554.52, 874,367.88 and 361,663.32 is: 499,131.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,554.52 : 874,367.88 = 361,663.32 : x
  2. Step 2: Convert to fraction form
    633,554.52/874,367.88 = 361,663.32/x
  3. Step 3: Cross multiply
    633,554.52x = 874,367.88 × 361,663.32
  4. Step 4: Simplify right side
    633,554.52x = 316,226,790,382.16
  5. Step 5: Solve for x
    x = 316,226,790,382.16/633,554.52
  6. Step 6: Final answer
    x = 499,131.14

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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.