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Finding the Fourth Proportional to 544,988.66, 816,301.47 and 263,916.50

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Solution

The fourth proportional to 544,988.66, 816,301.47 and 263,916.50 is: 395,302.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,988.66 : 816,301.47 = 263,916.50 : x
  2. Step 2: Convert to fraction form
    544,988.66/816,301.47 = 263,916.50/x
  3. Step 3: Cross multiply
    544,988.66x = 816,301.47 × 263,916.50
  4. Step 4: Simplify right side
    544,988.66x = 215,435,426,907.26
  5. Step 5: Solve for x
    x = 215,435,426,907.26/544,988.66
  6. Step 6: Final answer
    x = 395,302.59

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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.