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Finding the Fourth Proportional to 654,726.60, 903,513.76 and 368,246.56

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Solution

The fourth proportional to 654,726.60, 903,513.76 and 368,246.56 is: 508,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,726.60 : 903,513.76 = 368,246.56 : x
  2. Step 2: Convert to fraction form
    654,726.60/903,513.76 = 368,246.56/x
  3. Step 3: Cross multiply
    654,726.60x = 903,513.76 × 368,246.56
  4. Step 4: Simplify right side
    654,726.60x = 332,715,834,032.67
  5. Step 5: Solve for x
    x = 332,715,834,032.67/654,726.60
  6. Step 6: Final answer
    x = 508,175.22

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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.