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Finding the Fourth Proportional to 543,801.71, 750,420.89 and 302,099.03

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Solution

The fourth proportional to 543,801.71, 750,420.89 and 302,099.03 is: 416,882.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,801.71 : 750,420.89 = 302,099.03 : x
  2. Step 2: Convert to fraction form
    543,801.71/750,420.89 = 302,099.03/x
  3. Step 3: Cross multiply
    543,801.71x = 750,420.89 × 302,099.03
  4. Step 4: Simplify right side
    543,801.71x = 226,701,419,963.88
  5. Step 5: Solve for x
    x = 226,701,419,963.88/543,801.71
  6. Step 6: Final answer
    x = 416,882.51

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1.5x scale

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.