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Finding the Fourth Proportional to 417,673.60, 576,249.28 and 266,858.88

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Solution

The fourth proportional to 417,673.60, 576,249.28 and 266,858.88 is: 368,175.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,673.60 : 576,249.28 = 266,858.88 : x
  2. Step 2: Convert to fraction form
    417,673.60/576,249.28 = 266,858.88/x
  3. Step 3: Cross multiply
    417,673.60x = 576,249.28 × 266,858.88
  4. Step 4: Simplify right side
    417,673.60x = 153,777,237,461.61
  5. Step 5: Solve for x
    x = 153,777,237,461.61/417,673.60
  6. Step 6: Final answer
    x = 368,175.62

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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.