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Finding the Fourth Proportional to 625,737.88, 863,453.48 and 384,030.64

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Solution

The fourth proportional to 625,737.88, 863,453.48 and 384,030.64 is: 529,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    625,737.88 : 863,453.48 = 384,030.64 : x
  2. Step 2: Convert to fraction form
    625,737.88/863,453.48 = 384,030.64/x
  3. Step 3: Cross multiply
    625,737.88x = 863,453.48 × 384,030.64
  4. Step 4: Simplify right side
    625,737.88x = 331,592,592,534.63
  5. Step 5: Solve for x
    x = 331,592,592,534.63/625,737.88
  6. Step 6: Final answer
    x = 529,922.52

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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.