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Finding the Fourth Proportional to 265,064.32, 365,789.63 and 144,205.58

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Solution

The fourth proportional to 265,064.32, 365,789.63 and 144,205.58 is: 199,004.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,064.32 : 365,789.63 = 144,205.58 : x
  2. Step 2: Convert to fraction form
    265,064.32/365,789.63 = 144,205.58/x
  3. Step 3: Cross multiply
    265,064.32x = 365,789.63 × 144,205.58
  4. Step 4: Simplify right side
    265,064.32x = 52,748,905,752.14
  5. Step 5: Solve for x
    x = 52,748,905,752.14/265,064.32
  6. Step 6: Final answer
    x = 199,004.17

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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.