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Finding the Fourth Proportional to 583,408.38, 875,112.63 and 140,176.38

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Solution

The fourth proportional to 583,408.38, 875,112.63 and 140,176.38 is: 210,264.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,408.38 : 875,112.63 = 140,176.38 : x
  2. Step 2: Convert to fraction form
    583,408.38/875,112.63 = 140,176.38/x
  3. Step 3: Cross multiply
    583,408.38x = 875,112.63 × 140,176.38
  4. Step 4: Simplify right side
    583,408.38x = 122,670,120,565.68
  5. Step 5: Solve for x
    x = 122,670,120,565.68/583,408.38
  6. Step 6: Final answer
    x = 210,264.58

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Similar ratio
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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.