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Finding the Fourth Proportional to 583,405.88, 875,108.88 and 140,173.88

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Solution

The fourth proportional to 583,405.88, 875,108.88 and 140,173.88 is: 210,260.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,405.88 : 875,108.88 = 140,173.88 : x
  2. Step 2: Convert to fraction form
    583,405.88/875,108.88 = 140,173.88/x
  3. Step 3: Cross multiply
    583,405.88x = 875,108.88 × 140,173.88
  4. Step 4: Simplify right side
    583,405.88x = 122,667,402,756.51
  5. Step 5: Solve for x
    x = 122,667,402,756.51/583,405.88
  6. Step 6: Final answer
    x = 210,260.83

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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.