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Finding the Fourth Proportional to 633,392.48, 874,072.59 and 361,546.49

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Solution

The fourth proportional to 633,392.48, 874,072.59 and 361,546.49 is: 498,929.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,392.48 : 874,072.59 = 361,546.49 : x
  2. Step 2: Convert to fraction form
    633,392.48/874,072.59 = 361,546.49/x
  3. Step 3: Cross multiply
    633,392.48x = 874,072.59 × 361,546.49
  4. Step 4: Simplify right side
    633,392.48x = 316,017,872,549.35
  5. Step 5: Solve for x
    x = 316,017,872,549.35/633,392.48
  6. Step 6: Final answer
    x = 498,929.00

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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.