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Finding the Fourth Proportional to 624,915, 937,178.91 and 225,504

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Solution

The fourth proportional to 624,915, 937,178.91 and 225,504 is: 338,186.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,915 : 937,178.91 = 225,504 : x
  2. Step 2: Convert to fraction form
    624,915/937,178.91 = 225,504/x
  3. Step 3: Cross multiply
    624,915x = 937,178.91 × 225,504
  4. Step 4: Simplify right side
    624,915x = 211,337,592,920.64
  5. Step 5: Solve for x
    x = 211,337,592,920.64/624,915
  6. Step 6: Final answer
    x = 338,186.14

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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.