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Finding the Fourth Proportional to 607,523.22, 838,373.28 and 331,877.72

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Solution

The fourth proportional to 607,523.22, 838,373.28 and 331,877.72 is: 457,986.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    607,523.22 : 838,373.28 = 331,877.72 : x
  2. Step 2: Convert to fraction form
    607,523.22/838,373.28 = 331,877.72/x
  3. Step 3: Cross multiply
    607,523.22x = 838,373.28 × 331,877.72
  4. Step 4: Simplify right side
    607,523.22x = 278,237,412,675.32
  5. Step 5: Solve for x
    x = 278,237,412,675.32/607,523.22
  6. Step 6: Final answer
    x = 457,986.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.