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Finding the Fourth Proportional to 361,040.29, 498,243.15 and 197,703.69

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Solution

The fourth proportional to 361,040.29, 498,243.15 and 197,703.69 is: 272,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,040.29 : 498,243.15 = 197,703.69 : x
  2. Step 2: Convert to fraction form
    361,040.29/498,243.15 = 197,703.69/x
  3. Step 3: Cross multiply
    361,040.29x = 498,243.15 × 197,703.69
  4. Step 4: Simplify right side
    361,040.29x = 98,504,507,403.81
  5. Step 5: Solve for x
    x = 98,504,507,403.81/361,040.29
  6. Step 6: Final answer
    x = 272,835.22

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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.