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Finding the Fourth Proportional to 369,800.48, 556,021.11 and 340,571.22

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Solution

The fourth proportional to 369,800.48, 556,021.11 and 340,571.22 is: 512,072.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,800.48 : 556,021.11 = 340,571.22 : x
  2. Step 2: Convert to fraction form
    369,800.48/556,021.11 = 340,571.22/x
  3. Step 3: Cross multiply
    369,800.48x = 556,021.11 × 340,571.22
  4. Step 4: Simplify right side
    369,800.48x = 189,364,787,778.45
  5. Step 5: Solve for x
    x = 189,364,787,778.45/369,800.48
  6. Step 6: Final answer
    x = 512,072.86

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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.