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Finding the Fourth Proportional to 573,784.11, 860,676.77 and 213,949.47

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Solution

The fourth proportional to 573,784.11, 860,676.77 and 213,949.47 is: 320,924.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,784.11 : 860,676.77 = 213,949.47 : x
  2. Step 2: Convert to fraction form
    573,784.11/860,676.77 = 213,949.47/x
  3. Step 3: Cross multiply
    573,784.11x = 860,676.77 × 213,949.47
  4. Step 4: Simplify right side
    573,784.11x = 184,141,338,782.81
  5. Step 5: Solve for x
    x = 184,141,338,782.81/573,784.11
  6. Step 6: Final answer
    x = 320,924.43

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1.5x scale

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.