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Finding the Fourth Proportional to 293,345.86, 404,783.78 and 164,266.40

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Solution

The fourth proportional to 293,345.86, 404,783.78 and 164,266.40 is: 226,668.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,345.86 : 404,783.78 = 164,266.40 : x
  2. Step 2: Convert to fraction form
    293,345.86/404,783.78 = 164,266.40/x
  3. Step 3: Cross multiply
    293,345.86x = 404,783.78 × 164,266.40
  4. Step 4: Simplify right side
    293,345.86x = 66,492,374,318.99
  5. Step 5: Solve for x
    x = 66,492,374,318.99/293,345.86
  6. Step 6: Final answer
    x = 226,668.87

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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.