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Finding the Fourth Proportional to 284,580.54, 426,855.42 and 144,335.52

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Solution

The fourth proportional to 284,580.54, 426,855.42 and 144,335.52 is: 216,495.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,580.54 : 426,855.42 = 144,335.52 : x
  2. Step 2: Convert to fraction form
    284,580.54/426,855.42 = 144,335.52/x
  3. Step 3: Cross multiply
    284,580.54x = 426,855.42 × 144,335.52
  4. Step 4: Simplify right side
    284,580.54x = 61,610,399,010.52
  5. Step 5: Solve for x
    x = 61,610,399,010.52/284,580.54
  6. Step 6: Final answer
    x = 216,495.47

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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.