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Finding the Fourth Proportional to 648,337.82, 971,841.63 and 248,871.02

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Solution

The fourth proportional to 648,337.82, 971,841.63 and 248,871.02 is: 373,051.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,337.82 : 971,841.63 = 248,871.02 : x
  2. Step 2: Convert to fraction form
    648,337.82/971,841.63 = 248,871.02/x
  3. Step 3: Cross multiply
    648,337.82x = 971,841.63 × 248,871.02
  4. Step 4: Simplify right side
    648,337.82x = 241,863,217,736.56
  5. Step 5: Solve for x
    x = 241,863,217,736.56/648,337.82
  6. Step 6: Final answer
    x = 373,051.22

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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.