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Finding the Fourth Proportional to 653,715.48, 980,011.62 and 227,195.89

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Solution

The fourth proportional to 653,715.48, 980,011.62 and 227,195.89 is: 340,598.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    653,715.48 : 980,011.62 = 227,195.89 : x
  2. Step 2: Convert to fraction form
    653,715.48/980,011.62 = 227,195.89/x
  3. Step 3: Cross multiply
    653,715.48x = 980,011.62 × 227,195.89
  4. Step 4: Simplify right side
    653,715.48x = 222,654,612,216.24
  5. Step 5: Solve for x
    x = 222,654,612,216.24/653,715.48
  6. Step 6: Final answer
    x = 340,598.65

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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.