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Finding the Fourth Proportional to 573,713.06, 860,564.10 and 349,137.32

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Solution

The fourth proportional to 573,713.06, 860,564.10 and 349,137.32 is: 523,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,713.06 : 860,564.10 = 349,137.32 : x
  2. Step 2: Convert to fraction form
    573,713.06/860,564.10 = 349,137.32/x
  3. Step 3: Cross multiply
    573,713.06x = 860,564.10 × 349,137.32
  4. Step 4: Simplify right side
    573,713.06x = 300,455,043,562.21
  5. Step 5: Solve for x
    x = 300,455,043,562.21/573,713.06
  6. Step 6: Final answer
    x = 523,702.64

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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.