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Finding the Fourth Proportional to 675,663.39, 932,415.40 and 369,739.82

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Solution

The fourth proportional to 675,663.39, 932,415.40 and 369,739.82 is: 510,240.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,663.39 : 932,415.40 = 369,739.82 : x
  2. Step 2: Convert to fraction form
    675,663.39/932,415.40 = 369,739.82/x
  3. Step 3: Cross multiply
    675,663.39x = 932,415.40 × 369,739.82
  4. Step 4: Simplify right side
    675,663.39x = 344,751,104,954.44
  5. Step 5: Solve for x
    x = 344,751,104,954.44/675,663.39
  6. Step 6: Final answer
    x = 510,240.91

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1.5x scale

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.