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Finding the Fourth Proportional to 544,182.72, 816,282.28 and 207,242

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Solution

The fourth proportional to 544,182.72, 816,282.28 and 207,242 is: 310,866.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,182.72 : 816,282.28 = 207,242 : x
  2. Step 2: Convert to fraction form
    544,182.72/816,282.28 = 207,242/x
  3. Step 3: Cross multiply
    544,182.72x = 816,282.28 × 207,242
  4. Step 4: Simplify right side
    544,182.72x = 169,167,972,271.76
  5. Step 5: Solve for x
    x = 169,167,972,271.76/544,182.72
  6. Step 6: Final answer
    x = 310,866.12

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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.