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Finding the Fourth Proportional to 438,737.14, 605,667.72 and 277,670.26

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Solution

The fourth proportional to 438,737.14, 605,667.72 and 277,670.26 is: 383,318.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,737.14 : 605,667.72 = 277,670.26 : x
  2. Step 2: Convert to fraction form
    438,737.14/605,667.72 = 277,670.26/x
  3. Step 3: Cross multiply
    438,737.14x = 605,667.72 × 277,670.26
  4. Step 4: Simplify right side
    438,737.14x = 168,175,913,223.10
  5. Step 5: Solve for x
    x = 168,175,913,223.10/438,737.14
  6. Step 6: Final answer
    x = 383,318.16

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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.