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Finding the Fourth Proportional to 583,447.60, 875,171.40 and 140,215.60

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Solution

The fourth proportional to 583,447.60, 875,171.40 and 140,215.60 is: 210,323.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,447.60 : 875,171.40 = 140,215.60 : x
  2. Step 2: Convert to fraction form
    583,447.60/875,171.40 = 140,215.60/x
  3. Step 3: Cross multiply
    583,447.60x = 875,171.40 × 140,215.60
  4. Step 4: Simplify right side
    583,447.60x = 122,712,682,953.84
  5. Step 5: Solve for x
    x = 122,712,682,953.84/583,447.60
  6. Step 6: Final answer
    x = 210,323.40

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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.