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Finding the Fourth Proportional to 482,068.27, 723,429.08 and 197,810.21

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Solution

The fourth proportional to 482,068.27, 723,429.08 and 197,810.21 is: 296,849.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,068.27 : 723,429.08 = 197,810.21 : x
  2. Step 2: Convert to fraction form
    482,068.27/723,429.08 = 197,810.21/x
  3. Step 3: Cross multiply
    482,068.27x = 723,429.08 × 197,810.21
  4. Step 4: Simplify right side
    482,068.27x = 143,101,655,112.29
  5. Step 5: Solve for x
    x = 143,101,655,112.29/482,068.27
  6. Step 6: Final answer
    x = 296,849.36

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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.