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Finding the Fourth Proportional to 616,561.99, 924,759.55 and 167,311.69

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Solution

The fourth proportional to 616,561.99, 924,759.55 and 167,311.69 is: 250,944.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    616,561.99 : 924,759.55 = 167,311.69 : x
  2. Step 2: Convert to fraction form
    616,561.99/924,759.55 = 167,311.69/x
  3. Step 3: Cross multiply
    616,561.99x = 924,759.55 × 167,311.69
  4. Step 4: Simplify right side
    616,561.99x = 154,723,083,154.14
  5. Step 5: Solve for x
    x = 154,723,083,154.14/616,561.99
  6. Step 6: Final answer
    x = 250,944.89

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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.