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Finding the Fourth Proportional to 219,598.12, 301,881.89 and 188,858.80

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Solution

The fourth proportional to 219,598.12, 301,881.89 and 188,858.80 is: 259,624.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,598.12 : 301,881.89 = 188,858.80 : x
  2. Step 2: Convert to fraction form
    219,598.12/301,881.89 = 188,858.80/x
  3. Step 3: Cross multiply
    219,598.12x = 301,881.89 × 188,858.80
  4. Step 4: Simplify right side
    219,598.12x = 57,013,051,487.13
  5. Step 5: Solve for x
    x = 57,013,051,487.13/219,598.12
  6. Step 6: Final answer
    x = 259,624.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.