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Finding the Fourth Proportional to 351,388.01, 484,915.71 and 190,243.17

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Solution

The fourth proportional to 351,388.01, 484,915.71 and 190,243.17 is: 262,535.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,388.01 : 484,915.71 = 190,243.17 : x
  2. Step 2: Convert to fraction form
    351,388.01/484,915.71 = 190,243.17/x
  3. Step 3: Cross multiply
    351,388.01x = 484,915.71 × 190,243.17
  4. Step 4: Simplify right side
    351,388.01x = 92,251,901,853.20
  5. Step 5: Solve for x
    x = 92,251,901,853.20/351,388.01
  6. Step 6: Final answer
    x = 262,535.72

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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.