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Finding the Fourth Proportional to 574,081.48, 860,560.08 and 213,988.69

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Solution

The fourth proportional to 574,081.48, 860,560.08 and 213,988.69 is: 320,773.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,081.48 : 860,560.08 = 213,988.69 : x
  2. Step 2: Convert to fraction form
    574,081.48/860,560.08 = 213,988.69/x
  3. Step 3: Cross multiply
    574,081.48x = 860,560.08 × 213,988.69
  4. Step 4: Simplify right side
    574,081.48x = 184,150,124,185.50
  5. Step 5: Solve for x
    x = 184,150,124,185.50/574,081.48
  6. Step 6: Final answer
    x = 320,773.50

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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.