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Finding the Fourth Proportional to 669,627.69, 924,093 and 363,707.03

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Solution

The fourth proportional to 669,627.69, 924,093 and 363,707.03 is: 501,919.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,627.69 : 924,093 = 363,707.03 : x
  2. Step 2: Convert to fraction form
    669,627.69/924,093 = 363,707.03/x
  3. Step 3: Cross multiply
    669,627.69x = 924,093 × 363,707.03
  4. Step 4: Simplify right side
    669,627.69x = 336,099,115,853.33
  5. Step 5: Solve for x
    x = 336,099,115,853.33/669,627.69
  6. Step 6: Final answer
    x = 501,919.38

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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.