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Finding the Fourth Proportional to 675,663.06, 932,415.11 and 369,739.51

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Solution

The fourth proportional to 675,663.06, 932,415.11 and 369,739.51 is: 510,240.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,663.06 : 932,415.11 = 369,739.51 : x
  2. Step 2: Convert to fraction form
    675,663.06/932,415.11 = 369,739.51/x
  3. Step 3: Cross multiply
    675,663.06x = 932,415.11 × 369,739.51
  4. Step 4: Simplify right side
    675,663.06x = 344,750,705,888.00
  5. Step 5: Solve for x
    x = 344,750,705,888.00/675,663.06
  6. Step 6: Final answer
    x = 510,240.57

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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.