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Finding the Fourth Proportional to 669,850.77, 924,404.55 and 363,933.21

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Solution

The fourth proportional to 669,850.77, 924,404.55 and 363,933.21 is: 502,233.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,850.77 : 924,404.55 = 363,933.21 : x
  2. Step 2: Convert to fraction form
    669,850.77/924,404.55 = 363,933.21/x
  3. Step 3: Cross multiply
    669,850.77x = 924,404.55 × 363,933.21
  4. Step 4: Simplify right side
    669,850.77x = 336,421,515,220.11
  5. Step 5: Solve for x
    x = 336,421,515,220.11/669,850.77
  6. Step 6: Final answer
    x = 502,233.53

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Double scale
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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.