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Finding the Fourth Proportional to 344,221, 473,845.62 and 298,631.08

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Solution

The fourth proportional to 344,221, 473,845.62 and 298,631.08 is: 411,087.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    344,221 : 473,845.62 = 298,631.08 : x
  2. Step 2: Convert to fraction form
    344,221/473,845.62 = 298,631.08/x
  3. Step 3: Cross multiply
    344,221x = 473,845.62 × 298,631.08
  4. Step 4: Simplify right side
    344,221x = 141,505,029,253.87
  5. Step 5: Solve for x
    x = 141,505,029,253.87/344,221
  6. Step 6: Final answer
    x = 411,087.73

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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.