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Finding the Fourth Proportional to 901,590, 1,244,233.08 and 499,182

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Solution

The fourth proportional to 901,590, 1,244,233.08 and 499,182 is: 688,892.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,590 : 1,244,233.08 = 499,182 : x
  2. Step 2: Convert to fraction form
    901,590/1,244,233.08 = 499,182/x
  3. Step 3: Cross multiply
    901,590x = 1,244,233.08 × 499,182
  4. Step 4: Simplify right side
    901,590x = 621,098,757,340.56
  5. Step 5: Solve for x
    x = 621,098,757,340.56/901,590
  6. Step 6: Final answer
    x = 688,892.69

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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.