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Finding the Fourth Proportional to 365,818.63, 548,672.59 and 99,600.13

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Solution

The fourth proportional to 365,818.63, 548,672.59 and 99,600.13 is: 149,385.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,818.63 : 548,672.59 = 99,600.13 : x
  2. Step 2: Convert to fraction form
    365,818.63/548,672.59 = 99,600.13/x
  3. Step 3: Cross multiply
    365,818.63x = 548,672.59 × 99,600.13
  4. Step 4: Simplify right side
    365,818.63x = 54,647,861,541.53
  5. Step 5: Solve for x
    x = 54,647,861,541.53/365,818.63
  6. Step 6: Final answer
    x = 149,385.12

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1.5x scale

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.