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Finding the Fourth Proportional to 351,347.37, 484,859.53 and 190,202.42

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Solution

The fourth proportional to 351,347.37, 484,859.53 and 190,202.42 is: 262,479.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,347.37 : 484,859.53 = 190,202.42 : x
  2. Step 2: Convert to fraction form
    351,347.37/484,859.53 = 190,202.42/x
  3. Step 3: Cross multiply
    351,347.37x = 484,859.53 × 190,202.42
  4. Step 4: Simplify right side
    351,347.37x = 92,221,453,541.77
  5. Step 5: Solve for x
    x = 92,221,453,541.77/351,347.37
  6. Step 6: Final answer
    x = 262,479.42

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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.