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Finding the Fourth Proportional to 469,477.76, 647,877.44 and 254,616.96

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Solution

The fourth proportional to 469,477.76, 647,877.44 and 254,616.96 is: 351,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,477.76 : 647,877.44 = 254,616.96 : x
  2. Step 2: Convert to fraction form
    469,477.76/647,877.44 = 254,616.96/x
  3. Step 3: Cross multiply
    469,477.76x = 647,877.44 × 254,616.96
  4. Step 4: Simplify right side
    469,477.76x = 164,960,584,225.38
  5. Step 5: Solve for x
    x = 164,960,584,225.38/469,477.76
  6. Step 6: Final answer
    x = 351,370.39

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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.