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Finding the Fourth Proportional to 361,019.76, 498,188.27 and 197,645.00

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Solution

The fourth proportional to 361,019.76, 498,188.27 and 197,645.00 is: 272,739.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,019.76 : 498,188.27 = 197,645.00 : x
  2. Step 2: Convert to fraction form
    361,019.76/498,188.27 = 197,645.00/x
  3. Step 3: Cross multiply
    361,019.76x = 498,188.27 × 197,645.00
  4. Step 4: Simplify right side
    361,019.76x = 98,464,417,144.98
  5. Step 5: Solve for x
    x = 98,464,417,144.98/361,019.76
  6. Step 6: Final answer
    x = 272,739.69

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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.