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Finding the Fourth Proportional to 284,274.60, 426,411.90 and 151,414.35

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Solution

The fourth proportional to 284,274.60, 426,411.90 and 151,414.35 is: 227,121.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,274.60 : 426,411.90 = 151,414.35 : x
  2. Step 2: Convert to fraction form
    284,274.60/426,411.90 = 151,414.35/x
  3. Step 3: Cross multiply
    284,274.60x = 426,411.90 × 151,414.35
  4. Step 4: Simplify right side
    284,274.60x = 64,564,880,670.77
  5. Step 5: Solve for x
    x = 64,564,880,670.77/284,274.60
  6. Step 6: Final answer
    x = 227,121.53

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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.