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Finding the Fourth Proportional to 669,726, 924,222.24 and 367,939.44

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Solution

The fourth proportional to 669,726, 924,222.24 and 367,939.44 is: 507,756.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,726 : 924,222.24 = 367,939.44 : x
  2. Step 2: Convert to fraction form
    669,726/924,222.24 = 367,939.44/x
  3. Step 3: Cross multiply
    669,726x = 924,222.24 × 367,939.44
  4. Step 4: Simplify right side
    669,726x = 340,057,813,421.15
  5. Step 5: Solve for x
    x = 340,057,813,421.15/669,726
  6. Step 6: Final answer
    x = 507,756.62

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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.