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Finding the Fourth Proportional to 583,409.38, 875,114.13 and 140,177.38

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Solution

The fourth proportional to 583,409.38, 875,114.13 and 140,177.38 is: 210,266.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,409.38 : 875,114.13 = 140,177.38 : x
  2. Step 2: Convert to fraction form
    583,409.38/875,114.13 = 140,177.38/x
  3. Step 3: Cross multiply
    583,409.38x = 875,114.13 × 140,177.38
  4. Step 4: Simplify right side
    583,409.38x = 122,671,205,944.38
  5. Step 5: Solve for x
    x = 122,671,205,944.38/583,409.38
  6. Step 6: Final answer
    x = 210,266.08

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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.