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Finding the Fourth Proportional to 464,100.32, 640,446 and 273,124.96

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Solution

The fourth proportional to 464,100.32, 640,446 and 273,124.96 is: 376,905.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,100.32 : 640,446 = 273,124.96 : x
  2. Step 2: Convert to fraction form
    464,100.32/640,446 = 273,124.96/x
  3. Step 3: Cross multiply
    464,100.32x = 640,446 × 273,124.96
  4. Step 4: Simplify right side
    464,100.32x = 174,921,788,132.16
  5. Step 5: Solve for x
    x = 174,921,788,132.16/464,100.32
  6. Step 6: Final answer
    x = 376,905.12

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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.