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Finding the Fourth Proportional to 360,579.44, 497,703.48 and 253,175.60

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Solution

The fourth proportional to 360,579.44, 497,703.48 and 253,175.60 is: 349,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,579.44 : 497,703.48 = 253,175.60 : x
  2. Step 2: Convert to fraction form
    360,579.44/497,703.48 = 253,175.60/x
  3. Step 3: Cross multiply
    360,579.44x = 497,703.48 × 253,175.60
  4. Step 4: Simplify right side
    360,579.44x = 126,006,377,171.09
  5. Step 5: Solve for x
    x = 126,006,377,171.09/360,579.44
  6. Step 6: Final answer
    x = 349,455.25

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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.