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Finding the Fourth Proportional to 310,095.47, 464,520.40 and 141,383.70

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Solution

The fourth proportional to 310,095.47, 464,520.40 and 141,383.70 is: 211,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,095.47 : 464,520.40 = 141,383.70 : x
  2. Step 2: Convert to fraction form
    310,095.47/464,520.40 = 141,383.70/x
  3. Step 3: Cross multiply
    310,095.47x = 464,520.40 × 141,383.70
  4. Step 4: Simplify right side
    310,095.47x = 65,675,612,524.02
  5. Step 5: Solve for x
    x = 65,675,612,524.02/310,095.47
  6. Step 6: Final answer
    x = 211,791.59

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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.