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Finding the Fourth Proportional to 302,208.48, 453,411.36 and 144,449.28

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Solution

The fourth proportional to 302,208.48, 453,411.36 and 144,449.28 is: 216,721.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,208.48 : 453,411.36 = 144,449.28 : x
  2. Step 2: Convert to fraction form
    302,208.48/453,411.36 = 144,449.28/x
  3. Step 3: Cross multiply
    302,208.48x = 453,411.36 × 144,449.28
  4. Step 4: Simplify right side
    302,208.48x = 65,494,944,495.82
  5. Step 5: Solve for x
    x = 65,494,944,495.82/302,208.48
  6. Step 6: Final answer
    x = 216,721.07

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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.