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Finding the Fourth Proportional to 617,352.83, 852,079.97 and 375,713.36

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Solution

The fourth proportional to 617,352.83, 852,079.97 and 375,713.36 is: 518,565.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,352.83 : 852,079.97 = 375,713.36 : x
  2. Step 2: Convert to fraction form
    617,352.83/852,079.97 = 375,713.36/x
  3. Step 3: Cross multiply
    617,352.83x = 852,079.97 × 375,713.36
  4. Step 4: Simplify right side
    617,352.83x = 320,137,826,638.83
  5. Step 5: Solve for x
    x = 320,137,826,638.83/617,352.83
  6. Step 6: Final answer
    x = 518,565.42

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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.