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Finding the Fourth Proportional to 567,398.15, 851,291.65 and 193,683.59

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Solution

The fourth proportional to 567,398.15, 851,291.65 and 193,683.59 is: 290,591.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,398.15 : 851,291.65 = 193,683.59 : x
  2. Step 2: Convert to fraction form
    567,398.15/851,291.65 = 193,683.59/x
  3. Step 3: Cross multiply
    567,398.15x = 851,291.65 × 193,683.59
  4. Step 4: Simplify right side
    567,398.15x = 164,881,222,909.02
  5. Step 5: Solve for x
    x = 164,881,222,909.02/567,398.15
  6. Step 6: Final answer
    x = 290,591.75

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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.