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Finding the Fourth Proportional to 344,957.42, 517,522.23 and 120,321.09

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Solution

The fourth proportional to 344,957.42, 517,522.23 and 120,321.09 is: 180,511.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,957.42 : 517,522.23 = 120,321.09 : x
  2. Step 2: Convert to fraction form
    344,957.42/517,522.23 = 120,321.09/x
  3. Step 3: Cross multiply
    344,957.42x = 517,522.23 × 120,321.09
  4. Step 4: Simplify right side
    344,957.42x = 62,268,838,812.83
  5. Step 5: Solve for x
    x = 62,268,838,812.83/344,957.42
  6. Step 6: Final answer
    x = 180,511.67

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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.