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Finding the Fourth Proportional to 658,773.90, 909,100.53 and 356,967.90

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Solution

The fourth proportional to 658,773.90, 909,100.53 and 356,967.90 is: 492,611.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,773.90 : 909,100.53 = 356,967.90 : x
  2. Step 2: Convert to fraction form
    658,773.90/909,100.53 = 356,967.90/x
  3. Step 3: Cross multiply
    658,773.90x = 909,100.53 × 356,967.90
  4. Step 4: Simplify right side
    658,773.90x = 324,519,707,082.99
  5. Step 5: Solve for x
    x = 324,519,707,082.99/658,773.90
  6. Step 6: Final answer
    x = 492,611.66

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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.