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Finding the Fourth Proportional to 624,840.35, 937,066.70 and 225,429.21

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Solution

The fourth proportional to 624,840.35, 937,066.70 and 225,429.21 is: 338,073.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,840.35 : 937,066.70 = 225,429.21 : x
  2. Step 2: Convert to fraction form
    624,840.35/937,066.70 = 225,429.21/x
  3. Step 3: Cross multiply
    624,840.35x = 937,066.70 × 225,429.21
  4. Step 4: Simplify right side
    624,840.35x = 211,242,206,461.88
  5. Step 5: Solve for x
    x = 211,242,206,461.88/624,840.35
  6. Step 6: Final answer
    x = 338,073.89

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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.