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Finding the Fourth Proportional to 652,783.62, 979,476.75 and 297,906.42

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Solution

The fourth proportional to 652,783.62, 979,476.75 and 297,906.42 is: 446,997.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,783.62 : 979,476.75 = 297,906.42 : x
  2. Step 2: Convert to fraction form
    652,783.62/979,476.75 = 297,906.42/x
  3. Step 3: Cross multiply
    652,783.62x = 979,476.75 × 297,906.42
  4. Step 4: Simplify right side
    652,783.62x = 291,792,412,065.74
  5. Step 5: Solve for x
    x = 291,792,412,065.74/652,783.62
  6. Step 6: Final answer
    x = 446,997.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.