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Finding the Fourth Proportional to 697,883.55, 963,168.77 and 425,893.95

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Solution

The fourth proportional to 697,883.55, 963,168.77 and 425,893.95 is: 587,788.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,883.55 : 963,168.77 = 425,893.95 : x
  2. Step 2: Convert to fraction form
    697,883.55/963,168.77 = 425,893.95/x
  3. Step 3: Cross multiply
    697,883.55x = 963,168.77 × 425,893.95
  4. Step 4: Simplify right side
    697,883.55x = 410,207,753,036.68
  5. Step 5: Solve for x
    x = 410,207,753,036.68/697,883.55
  6. Step 6: Final answer
    x = 587,788.26

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1.5x scale

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.