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Finding the Fourth Proportional to 579,859.20, 800,232.64 and 362,196.74

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Solution

The fourth proportional to 579,859.20, 800,232.64 and 362,196.74 is: 499,848.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,859.20 : 800,232.64 = 362,196.74 : x
  2. Step 2: Convert to fraction form
    579,859.20/800,232.64 = 362,196.74/x
  3. Step 3: Cross multiply
    579,859.20x = 800,232.64 × 362,196.74
  4. Step 4: Simplify right side
    579,859.20x = 289,841,654,544.68
  5. Step 5: Solve for x
    x = 289,841,654,544.68/579,859.20
  6. Step 6: Final answer
    x = 499,848.33

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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.