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Finding the Fourth Proportional to 379,539, 523,625.34 and 292,350.52

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Solution

The fourth proportional to 379,539, 523,625.34 and 292,350.52 is: 403,337.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    379,539 : 523,625.34 = 292,350.52 : x
  2. Step 2: Convert to fraction form
    379,539/523,625.34 = 292,350.52/x
  3. Step 3: Cross multiply
    379,539x = 523,625.34 × 292,350.52
  4. Step 4: Simplify right side
    379,539x = 153,082,140,434.18
  5. Step 5: Solve for x
    x = 153,082,140,434.18/379,539
  6. Step 6: Final answer
    x = 403,337.05

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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.