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Finding the Fourth Proportional to 610,910.70, 915,588.45 and 544,037.10

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Solution

The fourth proportional to 610,910.70, 915,588.45 and 544,037.10 is: 815,363.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,910.70 : 915,588.45 = 544,037.10 : x
  2. Step 2: Convert to fraction form
    610,910.70/915,588.45 = 544,037.10/x
  3. Step 3: Cross multiply
    610,910.70x = 915,588.45 × 544,037.10
  4. Step 4: Simplify right side
    610,910.70x = 498,114,085,131.50
  5. Step 5: Solve for x
    x = 498,114,085,131.50/610,910.70
  6. Step 6: Final answer
    x = 815,363.17

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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.