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Finding the Fourth Proportional to 250,462.62, 345,673.85 and 155,000.07

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Solution

The fourth proportional to 250,462.62, 345,673.85 and 155,000.07 is: 213,922.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,462.62 : 345,673.85 = 155,000.07 : x
  2. Step 2: Convert to fraction form
    250,462.62/345,673.85 = 155,000.07/x
  3. Step 3: Cross multiply
    250,462.62x = 345,673.85 × 155,000.07
  4. Step 4: Simplify right side
    250,462.62x = 53,579,470,172.17
  5. Step 5: Solve for x
    x = 53,579,470,172.17/250,462.62
  6. Step 6: Final answer
    x = 213,922.02

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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.