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Finding the Fourth Proportional to 573,443.28, 860,496.62 and 236,421.12

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Solution

The fourth proportional to 573,443.28, 860,496.62 and 236,421.12 is: 354,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,443.28 : 860,496.62 = 236,421.12 : x
  2. Step 2: Convert to fraction form
    573,443.28/860,496.62 = 236,421.12/x
  3. Step 3: Cross multiply
    573,443.28x = 860,496.62 × 236,421.12
  4. Step 4: Simplify right side
    573,443.28x = 203,439,574,656.61
  5. Step 5: Solve for x
    x = 203,439,574,656.61/573,443.28
  6. Step 6: Final answer
    x = 354,768.43

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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.