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Finding the Fourth Proportional to 411,005.52, 566,960.52 and 334,606.80

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Solution

The fourth proportional to 411,005.52, 566,960.52 and 334,606.80 is: 461,572.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,005.52 : 566,960.52 = 334,606.80 : x
  2. Step 2: Convert to fraction form
    411,005.52/566,960.52 = 334,606.80/x
  3. Step 3: Cross multiply
    411,005.52x = 566,960.52 × 334,606.80
  4. Step 4: Simplify right side
    411,005.52x = 189,708,845,323.54
  5. Step 5: Solve for x
    x = 189,708,845,323.54/411,005.52
  6. Step 6: Final answer
    x = 461,572.50

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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.