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Finding the Fourth Proportional to 259,366.88, 358,221.54 and 174,336.32

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Solution

The fourth proportional to 259,366.88, 358,221.54 and 174,336.32 is: 240,782.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,366.88 : 358,221.54 = 174,336.32 : x
  2. Step 2: Convert to fraction form
    259,366.88/358,221.54 = 174,336.32/x
  3. Step 3: Cross multiply
    259,366.88x = 358,221.54 × 174,336.32
  4. Step 4: Simplify right side
    259,366.88x = 62,451,023,237.23
  5. Step 5: Solve for x
    x = 62,451,023,237.23/259,366.88
  6. Step 6: Final answer
    x = 240,782.57

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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.