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Finding the Fourth Proportional to 303,203.70, 454,805.55 and 191,010.60

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Solution

The fourth proportional to 303,203.70, 454,805.55 and 191,010.60 is: 286,515.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,203.70 : 454,805.55 = 191,010.60 : x
  2. Step 2: Convert to fraction form
    303,203.70/454,805.55 = 191,010.60/x
  3. Step 3: Cross multiply
    303,203.70x = 454,805.55 × 191,010.60
  4. Step 4: Simplify right side
    303,203.70x = 86,872,680,988.83
  5. Step 5: Solve for x
    x = 86,872,680,988.83/303,203.70
  6. Step 6: Final answer
    x = 286,515.90

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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.