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Finding the Fourth Proportional to 659,497.17, 910,091.25 and 373,016.91

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Solution

The fourth proportional to 659,497.17, 910,091.25 and 373,016.91 is: 514,754.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,497.17 : 910,091.25 = 373,016.91 : x
  2. Step 2: Convert to fraction form
    659,497.17/910,091.25 = 373,016.91/x
  3. Step 3: Cross multiply
    659,497.17x = 910,091.25 × 373,016.91
  4. Step 4: Simplify right side
    659,497.17x = 339,479,425,893.04
  5. Step 5: Solve for x
    x = 339,479,425,893.04/659,497.17
  6. Step 6: Final answer
    x = 514,754.94

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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.