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Finding the Fourth Proportional to 415,803.52, 573,956.40 and 246,037.28

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Solution

The fourth proportional to 415,803.52, 573,956.40 and 246,037.28 is: 339,618.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,803.52 : 573,956.40 = 246,037.28 : x
  2. Step 2: Convert to fraction form
    415,803.52/573,956.40 = 246,037.28/x
  3. Step 3: Cross multiply
    415,803.52x = 573,956.40 × 246,037.28
  4. Step 4: Simplify right side
    415,803.52x = 141,214,671,494.59
  5. Step 5: Solve for x
    x = 141,214,671,494.59/415,803.52
  6. Step 6: Final answer
    x = 339,618.75

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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.