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Finding the Fourth Proportional to 610,469.10, 915,444.45 and 295,022.70

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Solution

The fourth proportional to 610,469.10, 915,444.45 and 295,022.70 is: 442,408.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,469.10 : 915,444.45 = 295,022.70 : x
  2. Step 2: Convert to fraction form
    610,469.10/915,444.45 = 295,022.70/x
  3. Step 3: Cross multiply
    610,469.10x = 915,444.45 × 295,022.70
  4. Step 4: Simplify right side
    610,469.10x = 270,076,893,339.02
  5. Step 5: Solve for x
    x = 270,076,893,339.02/610,469.10
  6. Step 6: Final answer
    x = 442,408.79

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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.