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Finding the Fourth Proportional to 583,224.75, 874,837.13 and 139,992.75

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Solution

The fourth proportional to 583,224.75, 874,837.13 and 139,992.75 is: 209,989.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,224.75 : 874,837.13 = 139,992.75 : x
  2. Step 2: Convert to fraction form
    583,224.75/874,837.13 = 139,992.75/x
  3. Step 3: Cross multiply
    583,224.75x = 874,837.13 × 139,992.75
  4. Step 4: Simplify right side
    583,224.75x = 122,470,854,930.84
  5. Step 5: Solve for x
    x = 122,470,854,930.84/583,224.75
  6. Step 6: Final answer
    x = 209,989.13

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Half scale
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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.