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Finding the Fourth Proportional to 617,856.66, 852,201.91 and 567,033.51

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Solution

The fourth proportional to 617,856.66, 852,201.91 and 567,033.51 is: 782,102.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,856.66 : 852,201.91 = 567,033.51 : x
  2. Step 2: Convert to fraction form
    617,856.66/852,201.91 = 567,033.51/x
  3. Step 3: Cross multiply
    617,856.66x = 852,201.91 × 567,033.51
  4. Step 4: Simplify right side
    617,856.66x = 483,227,044,160.55
  5. Step 5: Solve for x
    x = 483,227,044,160.55/617,856.66
  6. Step 6: Final answer
    x = 782,102.19

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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.