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Finding the Fourth Proportional to 265,598.90, 366,515.81 and 144,737.61

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Solution

The fourth proportional to 265,598.90, 366,515.81 and 144,737.61 is: 199,732.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    265,598.90 : 366,515.81 = 144,737.61 : x
  2. Step 2: Convert to fraction form
    265,598.90/366,515.81 = 144,737.61/x
  3. Step 3: Cross multiply
    265,598.90x = 366,515.81 × 144,737.61
  4. Step 4: Simplify right side
    265,598.90x = 53,048,622,366.61
  5. Step 5: Solve for x
    x = 53,048,622,366.61/265,598.90
  6. Step 6: Final answer
    x = 199,732.09

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1.5x scale

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.