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Finding the Fourth Proportional to 586,181.28, 808,935.60 and 344,469.12

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Solution

The fourth proportional to 586,181.28, 808,935.60 and 344,469.12 is: 475,370.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,181.28 : 808,935.60 = 344,469.12 : x
  2. Step 2: Convert to fraction form
    586,181.28/808,935.60 = 344,469.12/x
  3. Step 3: Cross multiply
    586,181.28x = 808,935.60 × 344,469.12
  4. Step 4: Simplify right side
    586,181.28x = 278,653,334,268.67
  5. Step 5: Solve for x
    x = 278,653,334,268.67/586,181.28
  6. Step 6: Final answer
    x = 475,370.58

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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.