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Finding the Fourth Proportional to 336,014, 504,030.72 and 86,696

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Solution

The fourth proportional to 336,014, 504,030.72 and 86,696 is: 130,046.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,014 : 504,030.72 = 86,696 : x
  2. Step 2: Convert to fraction form
    336,014/504,030.72 = 86,696/x
  3. Step 3: Cross multiply
    336,014x = 504,030.72 × 86,696
  4. Step 4: Simplify right side
    336,014x = 43,697,447,301.12
  5. Step 5: Solve for x
    x = 43,697,447,301.12/336,014
  6. Step 6: Final answer
    x = 130,046.51

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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.