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Finding the Fourth Proportional to 463,854.40, 695,846.40 and 197,612.80

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Solution

The fourth proportional to 463,854.40, 695,846.40 and 197,612.80 is: 296,446.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,854.40 : 695,846.40 = 197,612.80 : x
  2. Step 2: Convert to fraction form
    463,854.40/695,846.40 = 197,612.80/x
  3. Step 3: Cross multiply
    463,854.40x = 695,846.40 × 197,612.80
  4. Step 4: Simplify right side
    463,854.40x = 137,508,155,473.92
  5. Step 5: Solve for x
    x = 137,508,155,473.92/463,854.40
  6. Step 6: Final answer
    x = 296,446.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.