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Finding the Fourth Proportional to 659,360, 988,951.44 and 186,083.36

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Solution

The fourth proportional to 659,360, 988,951.44 and 186,083.36 is: 279,100.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    659,360 : 988,951.44 = 186,083.36 : x
  2. Step 2: Convert to fraction form
    659,360/988,951.44 = 186,083.36/x
  3. Step 3: Cross multiply
    659,360x = 988,951.44 × 186,083.36
  4. Step 4: Simplify right side
    659,360x = 184,027,406,832.04
  5. Step 5: Solve for x
    x = 184,027,406,832.04/659,360
  6. Step 6: Final answer
    x = 279,100.05

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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.