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Finding the Fourth Proportional to 349,532.70, 482,405.67 and 222,395.10

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Solution

The fourth proportional to 349,532.70, 482,405.67 and 222,395.10 is: 306,937.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,532.70 : 482,405.67 = 222,395.10 : x
  2. Step 2: Convert to fraction form
    349,532.70/482,405.67 = 222,395.10/x
  3. Step 3: Cross multiply
    349,532.70x = 482,405.67 × 222,395.10
  4. Step 4: Simplify right side
    349,532.70x = 107,284,657,220.22
  5. Step 5: Solve for x
    x = 107,284,657,220.22/349,532.70
  6. Step 6: Final answer
    x = 306,937.40

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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.