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Finding the Fourth Proportional to 351,301.66, 484,795.26 and 190,156.34

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Solution

The fourth proportional to 351,301.66, 484,795.26 and 190,156.34 is: 262,415.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,301.66 : 484,795.26 = 190,156.34 : x
  2. Step 2: Convert to fraction form
    351,301.66/484,795.26 = 190,156.34/x
  3. Step 3: Cross multiply
    351,301.66x = 484,795.26 × 190,156.34
  4. Step 4: Simplify right side
    351,301.66x = 92,186,893,502.94
  5. Step 5: Solve for x
    x = 92,186,893,502.94/351,301.66
  6. Step 6: Final answer
    x = 262,415.20

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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.