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Finding the Fourth Proportional to 658,525.50, 908,765.46 and 356,719.50

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Solution

The fourth proportional to 658,525.50, 908,765.46 and 356,719.50 is: 492,273.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,525.50 : 908,765.46 = 356,719.50 : x
  2. Step 2: Convert to fraction form
    658,525.50/908,765.46 = 356,719.50/x
  3. Step 3: Cross multiply
    658,525.50x = 908,765.46 × 356,719.50
  4. Step 4: Simplify right side
    658,525.50x = 324,174,360,508.47
  5. Step 5: Solve for x
    x = 324,174,360,508.47/658,525.50
  6. Step 6: Final answer
    x = 492,273.06

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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.