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Finding the Fourth Proportional to 669,414.64, 923,792.16 and 363,489.52

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Solution

The fourth proportional to 669,414.64, 923,792.16 and 363,489.52 is: 501,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,414.64 : 923,792.16 = 363,489.52 : x
  2. Step 2: Convert to fraction form
    669,414.64/923,792.16 = 363,489.52/x
  3. Step 3: Cross multiply
    669,414.64x = 923,792.16 × 363,489.52
  4. Step 4: Simplify right side
    669,414.64x = 335,788,768,818.16
  5. Step 5: Solve for x
    x = 335,788,768,818.16/669,414.64
  6. Step 6: Final answer
    x = 501,615.51

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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.