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Finding the Fourth Proportional to 374,834, 562,251.54 and 153,218

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Solution

The fourth proportional to 374,834, 562,251.54 and 153,218 is: 229,827.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,834 : 562,251.54 = 153,218 : x
  2. Step 2: Convert to fraction form
    374,834/562,251.54 = 153,218/x
  3. Step 3: Cross multiply
    374,834x = 562,251.54 × 153,218
  4. Step 4: Simplify right side
    374,834x = 86,147,056,455.72
  5. Step 5: Solve for x
    x = 86,147,056,455.72/374,834
  6. Step 6: Final answer
    x = 229,827.22

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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.