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Finding the Fourth Proportional to 544,538.63, 816,071.95 and 207,395.36

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Solution

The fourth proportional to 544,538.63, 816,071.95 and 207,395.36 is: 310,812.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    544,538.63 : 816,071.95 = 207,395.36 : x
  2. Step 2: Convert to fraction form
    544,538.63/816,071.95 = 207,395.36/x
  3. Step 3: Cross multiply
    544,538.63x = 816,071.95 × 207,395.36
  4. Step 4: Simplify right side
    544,538.63x = 169,249,534,819.18
  5. Step 5: Solve for x
    x = 169,249,534,819.18/544,538.63
  6. Step 6: Final answer
    x = 310,812.73

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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.