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Finding the Fourth Proportional to 451,881.81, 623,603.04 and 247,929.03

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Solution

The fourth proportional to 451,881.81, 623,603.04 and 247,929.03 is: 342,145.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,881.81 : 623,603.04 = 247,929.03 : x
  2. Step 2: Convert to fraction form
    451,881.81/623,603.04 = 247,929.03/x
  3. Step 3: Cross multiply
    451,881.81x = 623,603.04 × 247,929.03
  4. Step 4: Simplify right side
    451,881.81x = 154,609,296,812.25
  5. Step 5: Solve for x
    x = 154,609,296,812.25/451,881.81
  6. Step 6: Final answer
    x = 342,145.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.