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Finding the Fourth Proportional to 583,500.40, 875,250.60 and 140,268.40

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Solution

The fourth proportional to 583,500.40, 875,250.60 and 140,268.40 is: 210,402.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,500.40 : 875,250.60 = 140,268.40 : x
  2. Step 2: Convert to fraction form
    583,500.40/875,250.60 = 140,268.40/x
  3. Step 3: Cross multiply
    583,500.40x = 875,250.60 × 140,268.40
  4. Step 4: Simplify right side
    583,500.40x = 122,770,001,261.04
  5. Step 5: Solve for x
    x = 122,770,001,261.04/583,500.40
  6. Step 6: Final answer
    x = 210,402.60

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Double scale
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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.