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Finding the Fourth Proportional to 302,608.91, 453,973.17 and 89,380.53

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Solution

The fourth proportional to 302,608.91, 453,973.17 and 89,380.53 is: 134,088.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,608.91 : 453,973.17 = 89,380.53 : x
  2. Step 2: Convert to fraction form
    302,608.91/453,973.17 = 89,380.53/x
  3. Step 3: Cross multiply
    302,608.91x = 453,973.17 × 89,380.53
  4. Step 4: Simplify right side
    302,608.91x = 40,576,362,875.56
  5. Step 5: Solve for x
    x = 40,576,362,875.56/302,608.91
  6. Step 6: Final answer
    x = 134,088.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.