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Finding the Fourth Proportional to 737,697.54, 1,106,327.61 and 316,875

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Solution

The fourth proportional to 737,697.54, 1,106,327.61 and 316,875 is: 475,218.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    737,697.54 : 1,106,327.61 = 316,875 : x
  2. Step 2: Convert to fraction form
    737,697.54/1,106,327.61 = 316,875/x
  3. Step 3: Cross multiply
    737,697.54x = 1,106,327.61 × 316,875
  4. Step 4: Simplify right side
    737,697.54x = 350,567,561,418.75
  5. Step 5: Solve for x
    x = 350,567,561,418.75/737,697.54
  6. Step 6: Final answer
    x = 475,218.56

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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.