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Finding the Fourth Proportional to 573,104.40, 858,672.45 and 373,321.95

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Solution

The fourth proportional to 573,104.40, 858,672.45 and 373,321.95 is: 559,341.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,104.40 : 858,672.45 = 373,321.95 : x
  2. Step 2: Convert to fraction form
    573,104.40/858,672.45 = 373,321.95/x
  3. Step 3: Cross multiply
    573,104.40x = 858,672.45 × 373,321.95
  4. Step 4: Simplify right side
    573,104.40x = 320,561,273,445.28
  5. Step 5: Solve for x
    x = 320,561,273,445.28/573,104.40
  6. Step 6: Final answer
    x = 559,341.85

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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.