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Finding the Fourth Proportional to 669,697.38, 924,192.30 and 363,779.70

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Solution

The fourth proportional to 669,697.38, 924,192.30 and 363,779.70 is: 502,021.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,697.38 : 924,192.30 = 363,779.70 : x
  2. Step 2: Convert to fraction form
    669,697.38/924,192.30 = 363,779.70/x
  3. Step 3: Cross multiply
    669,697.38x = 924,192.30 × 363,779.70
  4. Step 4: Simplify right side
    669,697.38x = 336,202,397,636.31
  5. Step 5: Solve for x
    x = 336,202,397,636.31/669,697.38
  6. Step 6: Final answer
    x = 502,021.37

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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.