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Finding the Fourth Proportional to 544,457.52, 816,621.48 and 145,128.24

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Solution

The fourth proportional to 544,457.52, 816,621.48 and 145,128.24 is: 217,675.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,457.52 : 816,621.48 = 145,128.24 : x
  2. Step 2: Convert to fraction form
    544,457.52/816,621.48 = 145,128.24/x
  3. Step 3: Cross multiply
    544,457.52x = 816,621.48 × 145,128.24
  4. Step 4: Simplify right side
    544,457.52x = 118,514,838,138.60
  5. Step 5: Solve for x
    x = 118,514,838,138.60/544,457.52
  6. Step 6: Final answer
    x = 217,675.09

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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.