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Finding the Fourth Proportional to 265,626.77, 366,554.26 and 144,765.45

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Solution

The fourth proportional to 265,626.77, 366,554.26 and 144,765.45 is: 199,770.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,626.77 : 366,554.26 = 144,765.45 : x
  2. Step 2: Convert to fraction form
    265,626.77/366,554.26 = 144,765.45/x
  3. Step 3: Cross multiply
    265,626.77x = 366,554.26 × 144,765.45
  4. Step 4: Simplify right side
    265,626.77x = 53,064,392,579.27
  5. Step 5: Solve for x
    x = 53,064,392,579.27/265,626.77
  6. Step 6: Final answer
    x = 199,770.50

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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.