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Finding the Fourth Proportional to 550,096.89, 759,196.70 and 308,444.73

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Solution

The fourth proportional to 550,096.89, 759,196.70 and 308,444.73 is: 425,689.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,096.89 : 759,196.70 = 308,444.73 : x
  2. Step 2: Convert to fraction form
    550,096.89/759,196.70 = 308,444.73/x
  3. Step 3: Cross multiply
    550,096.89x = 759,196.70 × 308,444.73
  4. Step 4: Simplify right side
    550,096.89x = 234,170,219,606.17
  5. Step 5: Solve for x
    x = 234,170,219,606.17/550,096.89
  6. Step 6: Final answer
    x = 425,689.04

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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.