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Finding the Fourth Proportional to 583,386.39, 875,079.38 and 140,154.39

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Solution

The fourth proportional to 583,386.39, 875,079.38 and 140,154.39 is: 210,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,386.39 : 875,079.38 = 140,154.39 : x
  2. Step 2: Convert to fraction form
    583,386.39/875,079.38 = 140,154.39/x
  3. Step 3: Cross multiply
    583,386.39x = 875,079.38 × 140,154.39
  4. Step 4: Simplify right side
    583,386.39x = 122,646,217,055.86
  5. Step 5: Solve for x
    x = 122,646,217,055.86/583,386.39
  6. Step 6: Final answer
    x = 210,231.54

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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.