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Finding the Fourth Proportional to 451,639.67, 676,868.94 and 185,088.11

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Solution

The fourth proportional to 451,639.67, 676,868.94 and 185,088.11 is: 277,390.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,639.67 : 676,868.94 = 185,088.11 : x
  2. Step 2: Convert to fraction form
    451,639.67/676,868.94 = 185,088.11/x
  3. Step 3: Cross multiply
    451,639.67x = 676,868.94 × 185,088.11
  4. Step 4: Simplify right side
    451,639.67x = 125,280,389,437.96
  5. Step 5: Solve for x
    x = 125,280,389,437.96/451,639.67
  6. Step 6: Final answer
    x = 277,390.14

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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.