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Finding the Fourth Proportional to 254,624.45, 351,235.51 and 158,965.07

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Solution

The fourth proportional to 254,624.45, 351,235.51 and 158,965.07 is: 219,280.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    254,624.45 : 351,235.51 = 158,965.07 : x
  2. Step 2: Convert to fraction form
    254,624.45/351,235.51 = 158,965.07/x
  3. Step 3: Cross multiply
    254,624.45x = 351,235.51 × 158,965.07
  4. Step 4: Simplify right side
    254,624.45x = 55,834,175,280.05
  5. Step 5: Solve for x
    x = 55,834,175,280.05/254,624.45
  6. Step 6: Final answer
    x = 219,280.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.