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Finding the Fourth Proportional to 573,161.21, 858,620.76 and 472,104.35

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Solution

The fourth proportional to 573,161.21, 858,620.76 and 472,104.35 is: 707,233.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,161.21 : 858,620.76 = 472,104.35 : x
  2. Step 2: Convert to fraction form
    573,161.21/858,620.76 = 472,104.35/x
  3. Step 3: Cross multiply
    573,161.21x = 858,620.76 × 472,104.35
  4. Step 4: Simplify right side
    573,161.21x = 405,358,592,952.64
  5. Step 5: Solve for x
    x = 405,358,592,952.64/573,161.21
  6. Step 6: Final answer
    x = 707,233.12

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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.