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Finding the Fourth Proportional to 564,040.70, 845,640.27 and 339,348.49

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Solution

The fourth proportional to 564,040.70, 845,640.27 and 339,348.49 is: 508,769.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,040.70 : 845,640.27 = 339,348.49 : x
  2. Step 2: Convert to fraction form
    564,040.70/845,640.27 = 339,348.49/x
  3. Step 3: Cross multiply
    564,040.70x = 845,640.27 × 339,348.49
  4. Step 4: Simplify right side
    564,040.70x = 286,966,746,593.59
  5. Step 5: Solve for x
    x = 286,966,746,593.59/564,040.70
  6. Step 6: Final answer
    x = 508,769.58

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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.