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Finding the Fourth Proportional to 669,516.03, 924,066.23 and 397,734.91

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Solution

The fourth proportional to 669,516.03, 924,066.23 and 397,734.91 is: 548,953.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,516.03 : 924,066.23 = 397,734.91 : x
  2. Step 2: Convert to fraction form
    669,516.03/924,066.23 = 397,734.91/x
  3. Step 3: Cross multiply
    669,516.03x = 924,066.23 × 397,734.91
  4. Step 4: Simplify right side
    669,516.03x = 367,533,394,524.25
  5. Step 5: Solve for x
    x = 367,533,394,524.25/669,516.03
  6. Step 6: Final answer
    x = 548,953.84

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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.