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Finding the Fourth Proportional to 451,616.51, 676,834.28 and 185,064.95

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Solution

The fourth proportional to 451,616.51, 676,834.28 and 185,064.95 is: 277,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,616.51 : 676,834.28 = 185,064.95 : x
  2. Step 2: Convert to fraction form
    451,616.51/676,834.28 = 185,064.95/x
  3. Step 3: Cross multiply
    451,616.51x = 676,834.28 × 185,064.95
  4. Step 4: Simplify right side
    451,616.51x = 125,258,302,953.25
  5. Step 5: Solve for x
    x = 125,258,302,953.25/451,616.51
  6. Step 6: Final answer
    x = 277,355.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.