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Finding the Fourth Proportional to 302,015.79, 453,373.65 and 162,047.79

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Solution

The fourth proportional to 302,015.79, 453,373.65 and 162,047.79 is: 243,259.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,015.79 : 453,373.65 = 162,047.79 : x
  2. Step 2: Convert to fraction form
    302,015.79/453,373.65 = 162,047.79/x
  3. Step 3: Cross multiply
    302,015.79x = 453,373.65 × 162,047.79
  4. Step 4: Simplify right side
    302,015.79x = 73,468,198,026.73
  5. Step 5: Solve for x
    x = 73,468,198,026.73/302,015.79
  6. Step 6: Final answer
    x = 243,259.46

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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.