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Finding the Fourth Proportional to 593,261.20, 816,643.56 and 517,678.48

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Solution

The fourth proportional to 593,261.20, 816,643.56 and 517,678.48 is: 712,601.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,261.20 : 816,643.56 = 517,678.48 : x
  2. Step 2: Convert to fraction form
    593,261.20/816,643.56 = 517,678.48/x
  3. Step 3: Cross multiply
    593,261.20x = 816,643.56 × 517,678.48
  4. Step 4: Simplify right side
    593,261.20x = 422,758,796,842.59
  5. Step 5: Solve for x
    x = 422,758,796,842.59/593,261.20
  6. Step 6: Final answer
    x = 712,601.46

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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.