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Finding the Fourth Proportional to 209,353.85, 313,983.60 and 59,590.82

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Solution

The fourth proportional to 209,353.85, 313,983.60 and 59,590.82 is: 89,372.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    209,353.85 : 313,983.60 = 59,590.82 : x
  2. Step 2: Convert to fraction form
    209,353.85/313,983.60 = 59,590.82/x
  3. Step 3: Cross multiply
    209,353.85x = 313,983.60 × 59,590.82
  4. Step 4: Simplify right side
    209,353.85x = 18,710,538,322.68
  5. Step 5: Solve for x
    x = 18,710,538,322.68/209,353.85
  6. Step 6: Final answer
    x = 89,372.80

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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.