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Finding the Fourth Proportional to 583,401.13, 875,101.69 and 140,169.13

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Solution

The fourth proportional to 583,401.13, 875,101.69 and 140,169.13 is: 210,253.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,401.13 : 875,101.69 = 140,169.13 : x
  2. Step 2: Convert to fraction form
    583,401.13/875,101.69 = 140,169.13/x
  3. Step 3: Cross multiply
    583,401.13x = 875,101.69 × 140,169.13
  4. Step 4: Simplify right side
    583,401.13x = 122,662,242,548.83
  5. Step 5: Solve for x
    x = 122,662,242,548.83/583,401.13
  6. Step 6: Final answer
    x = 210,253.69

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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.