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Finding the Fourth Proportional to 374,627.04, 517,411.12 and 251,905.92

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Solution

The fourth proportional to 374,627.04, 517,411.12 and 251,905.92 is: 347,916.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,627.04 : 517,411.12 = 251,905.92 : x
  2. Step 2: Convert to fraction form
    374,627.04/517,411.12 = 251,905.92/x
  3. Step 3: Cross multiply
    374,627.04x = 517,411.12 × 251,905.92
  4. Step 4: Simplify right side
    374,627.04x = 130,338,924,201.83
  5. Step 5: Solve for x
    x = 130,338,924,201.83/374,627.04
  6. Step 6: Final answer
    x = 347,916.49

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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.