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Finding the Fourth Proportional to 583,918.60, 875,906.70 and 303,982.60

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Solution

The fourth proportional to 583,918.60, 875,906.70 and 303,982.60 is: 455,988.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,918.60 : 875,906.70 = 303,982.60 : x
  2. Step 2: Convert to fraction form
    583,918.60/875,906.70 = 303,982.60/x
  3. Step 3: Cross multiply
    583,918.60x = 875,906.70 × 303,982.60
  4. Step 4: Simplify right side
    583,918.60x = 266,260,396,023.42
  5. Step 5: Solve for x
    x = 266,260,396,023.42/583,918.60
  6. Step 6: Final answer
    x = 455,988.89

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Double scale
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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.