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Finding the Fourth Proportional to 370,881.93, 556,334.24 and 127,720.39

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Solution

The fourth proportional to 370,881.93, 556,334.24 and 127,720.39 is: 191,584.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,881.93 : 556,334.24 = 127,720.39 : x
  2. Step 2: Convert to fraction form
    370,881.93/556,334.24 = 127,720.39/x
  3. Step 3: Cross multiply
    370,881.93x = 556,334.24 × 127,720.39
  4. Step 4: Simplify right side
    370,881.93x = 71,055,225,464.55
  5. Step 5: Solve for x
    x = 71,055,225,464.55/370,881.93
  6. Step 6: Final answer
    x = 191,584.49

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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.