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Finding the Fourth Proportional to 648,343.82, 971,850.63 and 248,877.02

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Solution

The fourth proportional to 648,343.82, 971,850.63 and 248,877.02 is: 373,060.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,343.82 : 971,850.63 = 248,877.02 : x
  2. Step 2: Convert to fraction form
    648,343.82/971,850.63 = 248,877.02/x
  3. Step 3: Cross multiply
    648,343.82x = 971,850.63 × 248,877.02
  4. Step 4: Simplify right side
    648,343.82x = 241,871,288,679.52
  5. Step 5: Solve for x
    x = 241,871,288,679.52/648,343.82
  6. Step 6: Final answer
    x = 373,060.22

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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.