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Finding the Fourth Proportional to 336,015, 504,032.22 and 86,697

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Solution

The fourth proportional to 336,015, 504,032.22 and 86,697 is: 130,048.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,015 : 504,032.22 = 86,697 : x
  2. Step 2: Convert to fraction form
    336,015/504,032.22 = 86,697/x
  3. Step 3: Cross multiply
    336,015x = 504,032.22 × 86,697
  4. Step 4: Simplify right side
    336,015x = 43,698,081,377.34
  5. Step 5: Solve for x
    x = 43,698,081,377.34/336,015
  6. Step 6: Final answer
    x = 130,048.01

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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.