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Finding the Fourth Proportional to 543,711.56, 750,301.08 and 302,009.58

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Solution

The fourth proportional to 543,711.56, 750,301.08 and 302,009.58 is: 416,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,711.56 : 750,301.08 = 302,009.58 : x
  2. Step 2: Convert to fraction form
    543,711.56/750,301.08 = 302,009.58/x
  3. Step 3: Cross multiply
    543,711.56x = 750,301.08 × 302,009.58
  4. Step 4: Simplify right side
    543,711.56x = 226,598,112,911.81
  5. Step 5: Solve for x
    x = 226,598,112,911.81/543,711.56
  6. Step 6: Final answer
    x = 416,761.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.