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Finding the Fourth Proportional to 415,647.52, 573,599.95 and 243,524.30

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Solution

The fourth proportional to 415,647.52, 573,599.95 and 243,524.30 is: 336,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,647.52 : 573,599.95 = 243,524.30 : x
  2. Step 2: Convert to fraction form
    415,647.52/573,599.95 = 243,524.30/x
  3. Step 3: Cross multiply
    415,647.52x = 573,599.95 × 243,524.30
  4. Step 4: Simplify right side
    415,647.52x = 139,685,526,053.47
  5. Step 5: Solve for x
    x = 139,685,526,053.47/415,647.52
  6. Step 6: Final answer
    x = 336,067.27

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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.