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Finding the Fourth Proportional to 669,786.64, 924,301.90 and 363,860.60

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Solution

The fourth proportional to 669,786.64, 924,301.90 and 363,860.60 is: 502,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,786.64 : 924,301.90 = 363,860.60 : x
  2. Step 2: Convert to fraction form
    669,786.64/924,301.90 = 363,860.60/x
  3. Step 3: Cross multiply
    669,786.64x = 924,301.90 × 363,860.60
  4. Step 4: Simplify right side
    669,786.64x = 336,317,043,915.14
  5. Step 5: Solve for x
    x = 336,317,043,915.14/669,786.64
  6. Step 6: Final answer
    x = 502,125.64

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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.