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Finding the Fourth Proportional to 658,038.88, 908,096.60 and 356,232.88

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Solution

The fourth proportional to 658,038.88, 908,096.60 and 356,232.88 is: 491,602.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,038.88 : 908,096.60 = 356,232.88 : x
  2. Step 2: Convert to fraction form
    658,038.88/908,096.60 = 356,232.88/x
  3. Step 3: Cross multiply
    658,038.88x = 908,096.60 × 356,232.88
  4. Step 4: Simplify right side
    658,038.88x = 323,493,867,136.21
  5. Step 5: Solve for x
    x = 323,493,867,136.21/658,038.88
  6. Step 6: Final answer
    x = 491,602.97

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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.