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Finding the Fourth Proportional to 417,896.04, 576,827.82 and 266,992.68

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Solution

The fourth proportional to 417,896.04, 576,827.82 and 266,992.68 is: 368,533.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,896.04 : 576,827.82 = 266,992.68 : x
  2. Step 2: Convert to fraction form
    417,896.04/576,827.82 = 266,992.68/x
  3. Step 3: Cross multiply
    417,896.04x = 576,827.82 × 266,992.68
  4. Step 4: Simplify right side
    417,896.04x = 154,008,805,560.36
  5. Step 5: Solve for x
    x = 154,008,805,560.36/417,896.04
  6. Step 6: Final answer
    x = 368,533.78

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1.5x scale

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.