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Finding the Fourth Proportional to 476,366.02, 714,005.47 and 191,874.48

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Solution

The fourth proportional to 476,366.02, 714,005.47 and 191,874.48 is: 287,592.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,366.02 : 714,005.47 = 191,874.48 : x
  2. Step 2: Convert to fraction form
    476,366.02/714,005.47 = 191,874.48/x
  3. Step 3: Cross multiply
    476,366.02x = 714,005.47 × 191,874.48
  4. Step 4: Simplify right side
    476,366.02x = 136,999,428,273.41
  5. Step 5: Solve for x
    x = 136,999,428,273.41/476,366.02
  6. Step 6: Final answer
    x = 287,592.78

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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.