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Finding the Fourth Proportional to 573,357.60, 860,425.20 and 373,190.40

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Solution

The fourth proportional to 573,357.60, 860,425.20 and 373,190.40 is: 560,038.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,357.60 : 860,425.20 = 373,190.40 : x
  2. Step 2: Convert to fraction form
    573,357.60/860,425.20 = 373,190.40/x
  3. Step 3: Cross multiply
    573,357.60x = 860,425.20 × 373,190.40
  4. Step 4: Simplify right side
    573,357.60x = 321,102,424,558.08
  5. Step 5: Solve for x
    x = 321,102,424,558.08/573,357.60
  6. Step 6: Final answer
    x = 560,038.66

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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.