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Finding the Fourth Proportional to 853,152.64, 1,279,797 and 292,192

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Solution

The fourth proportional to 853,152.64, 1,279,797 and 292,192 is: 438,311.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,152.64 : 1,279,797 = 292,192 : x
  2. Step 2: Convert to fraction form
    853,152.64/1,279,797 = 292,192/x
  3. Step 3: Cross multiply
    853,152.64x = 1,279,797 × 292,192
  4. Step 4: Simplify right side
    853,152.64x = 373,946,445,024
  5. Step 5: Solve for x
    x = 373,946,445,024/853,152.64
  6. Step 6: Final answer
    x = 438,311.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.