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Finding the Fourth Proportional to 348,523.60, 523,303.80 and 269,726.80

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Solution

The fourth proportional to 348,523.60, 523,303.80 and 269,726.80 is: 404,991.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,523.60 : 523,303.80 = 269,726.80 : x
  2. Step 2: Convert to fraction form
    348,523.60/523,303.80 = 269,726.80/x
  3. Step 3: Cross multiply
    348,523.60x = 523,303.80 × 269,726.80
  4. Step 4: Simplify right side
    348,523.60x = 141,149,059,401.84
  5. Step 5: Solve for x
    x = 141,149,059,401.84/348,523.60
  6. Step 6: Final answer
    x = 404,991.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.