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Finding the Fourth Proportional to 370,572.39, 555,891.41 and 104,335.21

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Solution

The fourth proportional to 370,572.39, 555,891.41 and 104,335.21 is: 156,512.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,572.39 : 555,891.41 = 104,335.21 : x
  2. Step 2: Convert to fraction form
    370,572.39/555,891.41 = 104,335.21/x
  3. Step 3: Cross multiply
    370,572.39x = 555,891.41 × 104,335.21
  4. Step 4: Simplify right side
    370,572.39x = 57,999,047,955.25
  5. Step 5: Solve for x
    x = 57,999,047,955.25/370,572.39
  6. Step 6: Final answer
    x = 156,512.06

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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.