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Finding the Fourth Proportional to 302,006.79, 453,360.11 and 162,038.79

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Solution

The fourth proportional to 302,006.79, 453,360.11 and 162,038.79 is: 243,245.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,006.79 : 453,360.11 = 162,038.79 : x
  2. Step 2: Convert to fraction form
    302,006.79/453,360.11 = 162,038.79/x
  3. Step 3: Cross multiply
    302,006.79x = 453,360.11 × 162,038.79
  4. Step 4: Simplify right side
    302,006.79x = 73,461,922,848.47
  5. Step 5: Solve for x
    x = 73,461,922,848.47/302,006.79
  6. Step 6: Final answer
    x = 243,245.93

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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.