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Finding the Fourth Proportional to 250,834.30, 346,052.80 and 143,346.67

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Solution

The fourth proportional to 250,834.30, 346,052.80 and 143,346.67 is: 197,762.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,834.30 : 346,052.80 = 143,346.67 : x
  2. Step 2: Convert to fraction form
    250,834.30/346,052.80 = 143,346.67/x
  3. Step 3: Cross multiply
    250,834.30x = 346,052.80 × 143,346.67
  4. Step 4: Simplify right side
    250,834.30x = 49,605,516,524.18
  5. Step 5: Solve for x
    x = 49,605,516,524.18/250,834.30
  6. Step 6: Final answer
    x = 197,762.09

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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.