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Finding the Fourth Proportional to 658,006.83, 908,048.34 and 356,200.83

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Solution

The fourth proportional to 658,006.83, 908,048.34 and 356,200.83 is: 491,556.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,006.83 : 908,048.34 = 356,200.83 : x
  2. Step 2: Convert to fraction form
    658,006.83/908,048.34 = 356,200.83/x
  3. Step 3: Cross multiply
    658,006.83x = 908,048.34 × 356,200.83
  4. Step 4: Simplify right side
    658,006.83x = 323,447,572,388.12
  5. Step 5: Solve for x
    x = 323,447,572,388.12/658,006.83
  6. Step 6: Final answer
    x = 491,556.56

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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.