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Finding the Fourth Proportional to 482,610.52, 666,034.01 and 278,670.03

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Solution

The fourth proportional to 482,610.52, 666,034.01 and 278,670.03 is: 384,582.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,610.52 : 666,034.01 = 278,670.03 : x
  2. Step 2: Convert to fraction form
    482,610.52/666,034.01 = 278,670.03/x
  3. Step 3: Cross multiply
    482,610.52x = 666,034.01 × 278,670.03
  4. Step 4: Simplify right side
    482,610.52x = 185,603,717,547.72
  5. Step 5: Solve for x
    x = 185,603,717,547.72/482,610.52
  6. Step 6: Final answer
    x = 384,582.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.