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Finding the Fourth Proportional to 377,486.72, 565,967.64 and 167,009.84

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Solution

The fourth proportional to 377,486.72, 565,967.64 and 167,009.84 is: 250,398.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,486.72 : 565,967.64 = 167,009.84 : x
  2. Step 2: Convert to fraction form
    377,486.72/565,967.64 = 167,009.84/x
  3. Step 3: Cross multiply
    377,486.72x = 565,967.64 × 167,009.84
  4. Step 4: Simplify right side
    377,486.72x = 94,522,165,001.58
  5. Step 5: Solve for x
    x = 94,522,165,001.58/377,486.72
  6. Step 6: Final answer
    x = 250,398.65

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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.