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Finding the Fourth Proportional to 463,785.60, 695,827.84 and 211,156.48

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Solution

The fourth proportional to 463,785.60, 695,827.84 and 211,156.48 is: 316,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,785.60 : 695,827.84 = 211,156.48 : x
  2. Step 2: Convert to fraction form
    463,785.60/695,827.84 = 211,156.48/x
  3. Step 3: Cross multiply
    463,785.60x = 695,827.84 × 211,156.48
  4. Step 4: Simplify right side
    463,785.60x = 146,928,557,380.40
  5. Step 5: Solve for x
    x = 146,928,557,380.40/463,785.60
  6. Step 6: Final answer
    x = 316,802.76

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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.