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Finding the Fourth Proportional to 707,610.06, 976,372.38 and 401,698.98

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Solution

The fourth proportional to 707,610.06, 976,372.38 and 401,698.98 is: 554,271.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,610.06 : 976,372.38 = 401,698.98 : x
  2. Step 2: Convert to fraction form
    707,610.06/976,372.38 = 401,698.98/x
  3. Step 3: Cross multiply
    707,610.06x = 976,372.38 × 401,698.98
  4. Step 4: Simplify right side
    707,610.06x = 392,207,789,146.17
  5. Step 5: Solve for x
    x = 392,207,789,146.17/707,610.06
  6. Step 6: Final answer
    x = 554,271.08

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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.