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Finding the Fourth Proportional to 617,594.22, 851,603.22 and 402,335.10

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Solution

The fourth proportional to 617,594.22, 851,603.22 and 402,335.10 is: 554,781.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    617,594.22 : 851,603.22 = 402,335.10 : x
  2. Step 2: Convert to fraction form
    617,594.22/851,603.22 = 402,335.10/x
  3. Step 3: Cross multiply
    617,594.22x = 851,603.22 × 402,335.10
  4. Step 4: Simplify right side
    617,594.22x = 342,629,866,679.02
  5. Step 5: Solve for x
    x = 342,629,866,679.02/617,594.22
  6. Step 6: Final answer
    x = 554,781.53

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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.