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Finding the Fourth Proportional to 602,169.06, 903,405.47 and 425,022.06

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Solution

The fourth proportional to 602,169.06, 903,405.47 and 425,022.06 is: 637,640.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,169.06 : 903,405.47 = 425,022.06 : x
  2. Step 2: Convert to fraction form
    602,169.06/903,405.47 = 425,022.06/x
  3. Step 3: Cross multiply
    602,169.06x = 903,405.47 × 425,022.06
  4. Step 4: Simplify right side
    602,169.06x = 383,967,251,749.56
  5. Step 5: Solve for x
    x = 383,967,251,749.56/602,169.06
  6. Step 6: Final answer
    x = 637,640.29

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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.