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Finding the Fourth Proportional to 370,257.60, 555,645.60 and 160,046.40

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Solution

The fourth proportional to 370,257.60, 555,645.60 and 160,046.40 is: 240,181.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,257.60 : 555,645.60 = 160,046.40 : x
  2. Step 2: Convert to fraction form
    370,257.60/555,645.60 = 160,046.40/x
  3. Step 3: Cross multiply
    370,257.60x = 555,645.60 × 160,046.40
  4. Step 4: Simplify right side
    370,257.60x = 88,929,077,955.84
  5. Step 5: Solve for x
    x = 88,929,077,955.84/370,257.60
  6. Step 6: Final answer
    x = 240,181.64

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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.