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Finding the Fourth Proportional to 903,024, 1,246,212 and 500,616

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Solution

The fourth proportional to 903,024, 1,246,212 and 500,616 is: 690,871.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,024 : 1,246,212 = 500,616 : x
  2. Step 2: Convert to fraction form
    903,024/1,246,212 = 500,616/x
  3. Step 3: Cross multiply
    903,024x = 1,246,212 × 500,616
  4. Step 4: Simplify right side
    903,024x = 623,873,666,592
  5. Step 5: Solve for x
    x = 623,873,666,592/903,024
  6. Step 6: Final answer
    x = 690,871.63

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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.