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Finding the Fourth Proportional to 573,970.32, 860,772.60 and 209,186.46

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Solution

The fourth proportional to 573,970.32, 860,772.60 and 209,186.46 is: 313,713.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,970.32 : 860,772.60 = 209,186.46 : x
  2. Step 2: Convert to fraction form
    573,970.32/860,772.60 = 209,186.46/x
  3. Step 3: Cross multiply
    573,970.32x = 860,772.60 × 209,186.46
  4. Step 4: Simplify right side
    573,970.32x = 180,061,973,059.00
  5. Step 5: Solve for x
    x = 180,061,973,059.00/573,970.32
  6. Step 6: Final answer
    x = 313,713.04

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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.