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Finding the Fourth Proportional to 310,330.90, 465,625.95 and 100,033.30

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Solution

The fourth proportional to 310,330.90, 465,625.95 and 100,033.30 is: 150,091.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,330.90 : 465,625.95 = 100,033.30 : x
  2. Step 2: Convert to fraction form
    310,330.90/465,625.95 = 100,033.30/x
  3. Step 3: Cross multiply
    310,330.90x = 465,625.95 × 100,033.30
  4. Step 4: Simplify right side
    310,330.90x = 46,578,100,344.14
  5. Step 5: Solve for x
    x = 46,578,100,344.14/310,330.90
  6. Step 6: Final answer
    x = 150,091.73

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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.