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Finding the Fourth Proportional to 654,650.25, 903,411.44 and 368,164.18

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Solution

The fourth proportional to 654,650.25, 903,411.44 and 368,164.18 is: 508,063.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,650.25 : 903,411.44 = 368,164.18 : x
  2. Step 2: Convert to fraction form
    654,650.25/903,411.44 = 368,164.18/x
  3. Step 3: Cross multiply
    654,650.25x = 903,411.44 × 368,164.18
  4. Step 4: Simplify right side
    654,650.25x = 332,603,730,169.40
  5. Step 5: Solve for x
    x = 332,603,730,169.40/654,650.25
  6. Step 6: Final answer
    x = 508,063.25

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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.