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Finding the Fourth Proportional to 344,403.48, 475,276.44 and 191,436.96

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Solution

The fourth proportional to 344,403.48, 475,276.44 and 191,436.96 is: 264,182.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,403.48 : 475,276.44 = 191,436.96 : x
  2. Step 2: Convert to fraction form
    344,403.48/475,276.44 = 191,436.96/x
  3. Step 3: Cross multiply
    344,403.48x = 475,276.44 × 191,436.96
  4. Step 4: Simplify right side
    344,403.48x = 90,985,476,833.22
  5. Step 5: Solve for x
    x = 90,985,476,833.22/344,403.48
  6. Step 6: Final answer
    x = 264,182.80

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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.