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Finding the Fourth Proportional to 565,287.64, 847,749.22 and 186,118.09

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Solution

The fourth proportional to 565,287.64, 847,749.22 and 186,118.09 is: 279,117.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    565,287.64 : 847,749.22 = 186,118.09 : x
  2. Step 2: Convert to fraction form
    565,287.64/847,749.22 = 186,118.09/x
  3. Step 3: Cross multiply
    565,287.64x = 847,749.22 × 186,118.09
  4. Step 4: Simplify right side
    565,287.64x = 157,781,464,087.64
  5. Step 5: Solve for x
    x = 157,781,464,087.64/565,287.64
  6. Step 6: Final answer
    x = 279,117.13

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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.