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Finding the Fourth Proportional to 604,431.52, 834,143.70 and 349,733.44

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Solution

The fourth proportional to 604,431.52, 834,143.70 and 349,733.44 is: 482,648.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,431.52 : 834,143.70 = 349,733.44 : x
  2. Step 2: Convert to fraction form
    604,431.52/834,143.70 = 349,733.44/x
  3. Step 3: Cross multiply
    604,431.52x = 834,143.70 × 349,733.44
  4. Step 4: Simplify right side
    604,431.52x = 291,727,945,655.33
  5. Step 5: Solve for x
    x = 291,727,945,655.33/604,431.52
  6. Step 6: Final answer
    x = 482,648.47

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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.