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Finding the Fourth Proportional to 310,254.74, 464,951.55 and 141,362.30

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Solution

The fourth proportional to 310,254.74, 464,951.55 and 141,362.30 is: 211,847.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,254.74 : 464,951.55 = 141,362.30 : x
  2. Step 2: Convert to fraction form
    310,254.74/464,951.55 = 141,362.30/x
  3. Step 3: Cross multiply
    310,254.74x = 464,951.55 × 141,362.30
  4. Step 4: Simplify right side
    310,254.74x = 65,726,620,496.57
  5. Step 5: Solve for x
    x = 65,726,620,496.57/310,254.74
  6. Step 6: Final answer
    x = 211,847.27

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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.