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Finding the Fourth Proportional to 573,076.60, 860,003.70 and 372,909.40

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Solution

The fourth proportional to 573,076.60, 860,003.70 and 372,909.40 is: 559,617.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,076.60 : 860,003.70 = 372,909.40 : x
  2. Step 2: Convert to fraction form
    573,076.60/860,003.70 = 372,909.40/x
  3. Step 3: Cross multiply
    573,076.60x = 860,003.70 × 372,909.40
  4. Step 4: Simplify right side
    573,076.60x = 320,703,463,764.78
  5. Step 5: Solve for x
    x = 320,703,463,764.78/573,076.60
  6. Step 6: Final answer
    x = 559,617.10

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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.