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Finding the Fourth Proportional to 302,477.94, 453,026.79 and 144,817.92

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Solution

The fourth proportional to 302,477.94, 453,026.79 and 144,817.92 is: 216,896.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,477.94 : 453,026.79 = 144,817.92 : x
  2. Step 2: Convert to fraction form
    302,477.94/453,026.79 = 144,817.92/x
  3. Step 3: Cross multiply
    302,477.94x = 453,026.79 × 144,817.92
  4. Step 4: Simplify right side
    302,477.94x = 65,606,397,432.08
  5. Step 5: Solve for x
    x = 65,606,397,432.08/302,477.94
  6. Step 6: Final answer
    x = 216,896.47

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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.