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Finding the Fourth Proportional to 567,551.84, 851,303.16 and 141,078.64

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Solution

The fourth proportional to 567,551.84, 851,303.16 and 141,078.64 is: 211,611.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,551.84 : 851,303.16 = 141,078.64 : x
  2. Step 2: Convert to fraction form
    567,551.84/851,303.16 = 141,078.64/x
  3. Step 3: Cross multiply
    567,551.84x = 851,303.16 × 141,078.64
  4. Step 4: Simplify right side
    567,551.84x = 120,100,691,335.11
  5. Step 5: Solve for x
    x = 120,100,691,335.11/567,551.84
  6. Step 6: Final answer
    x = 211,611.84

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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.