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Finding the Fourth Proportional to 544,020.48, 816,029.64 and 144,661.32

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Solution

The fourth proportional to 544,020.48, 816,029.64 and 144,661.32 is: 216,991.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,020.48 : 816,029.64 = 144,661.32 : x
  2. Step 2: Convert to fraction form
    544,020.48/816,029.64 = 144,661.32/x
  3. Step 3: Cross multiply
    544,020.48x = 816,029.64 × 144,661.32
  4. Step 4: Simplify right side
    544,020.48x = 118,047,924,881.53
  5. Step 5: Solve for x
    x = 118,047,924,881.53/544,020.48
  6. Step 6: Final answer
    x = 216,991.69

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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.