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Finding the Fourth Proportional to 583,578.40, 875,241.24 and 157,103.68

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Solution

The fourth proportional to 583,578.40, 875,241.24 and 157,103.68 is: 235,621.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,578.40 : 875,241.24 = 157,103.68 : x
  2. Step 2: Convert to fraction form
    583,578.40/875,241.24 = 157,103.68/x
  3. Step 3: Cross multiply
    583,578.40x = 875,241.24 × 157,103.68
  4. Step 4: Simplify right side
    583,578.40x = 137,503,619,691.76
  5. Step 5: Solve for x
    x = 137,503,619,691.76/583,578.40
  6. Step 6: Final answer
    x = 235,621.50

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Double scale
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1.5x scale

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.