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Finding the Fourth Proportional to 654,726.26, 903,513.54 and 368,246.36

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Solution

The fourth proportional to 654,726.26, 903,513.54 and 368,246.36 is: 508,175.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,726.26 : 903,513.54 = 368,246.36 : x
  2. Step 2: Convert to fraction form
    654,726.26/903,513.54 = 368,246.36/x
  3. Step 3: Cross multiply
    654,726.26x = 903,513.54 × 368,246.36
  4. Step 4: Simplify right side
    654,726.26x = 332,715,572,315.71
  5. Step 5: Solve for x
    x = 332,715,572,315.71/654,726.26
  6. Step 6: Final answer
    x = 508,175.08

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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.