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Finding the Fourth Proportional to 370,973, 556,531.66 and 157,738.46

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Solution

The fourth proportional to 370,973, 556,531.66 and 157,738.46 is: 236,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,973 : 556,531.66 = 157,738.46 : x
  2. Step 2: Convert to fraction form
    370,973/556,531.66 = 157,738.46/x
  3. Step 3: Cross multiply
    370,973x = 556,531.66 × 157,738.46
  4. Step 4: Simplify right side
    370,973x = 87,786,446,989.64
  5. Step 5: Solve for x
    x = 87,786,446,989.64/370,973
  6. Step 6: Final answer
    x = 236,638.37

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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.