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Finding the Fourth Proportional to 476,573.64, 657,673.83 and 272,626.80

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Solution

The fourth proportional to 476,573.64, 657,673.83 and 272,626.80 is: 376,226.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,573.64 : 657,673.83 = 272,626.80 : x
  2. Step 2: Convert to fraction form
    476,573.64/657,673.83 = 272,626.80/x
  3. Step 3: Cross multiply
    476,573.64x = 657,673.83 × 272,626.80
  4. Step 4: Simplify right side
    476,573.64x = 179,299,511,716.64
  5. Step 5: Solve for x
    x = 179,299,511,716.64/476,573.64
  6. Step 6: Final answer
    x = 376,226.25

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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.