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Finding the Fourth Proportional to 633,574.30, 874,374.33 and 361,697.26

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Solution

The fourth proportional to 633,574.30, 874,374.33 and 361,697.26 is: 499,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,574.30 : 874,374.33 = 361,697.26 : x
  2. Step 2: Convert to fraction form
    633,574.30/874,374.33 = 361,697.26/x
  3. Step 3: Cross multiply
    633,574.30x = 874,374.33 × 361,697.26
  4. Step 4: Simplify right side
    633,574.30x = 316,258,799,375.34
  5. Step 5: Solve for x
    x = 316,258,799,375.34/633,574.30
  6. Step 6: Final answer
    x = 499,166.08

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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.