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Finding the Fourth Proportional to 310,539.39, 465,907.54 and 110,855.49

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Solution

The fourth proportional to 310,539.39, 465,907.54 and 110,855.49 is: 166,318.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,539.39 : 465,907.54 = 110,855.49 : x
  2. Step 2: Convert to fraction form
    310,539.39/465,907.54 = 110,855.49/x
  3. Step 3: Cross multiply
    310,539.39x = 465,907.54 × 110,855.49
  4. Step 4: Simplify right side
    310,539.39x = 51,648,408,641.39
  5. Step 5: Solve for x
    x = 51,648,408,641.39/310,539.39
  6. Step 6: Final answer
    x = 166,318.38

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1.5x scale

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.