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Finding the Fourth Proportional to 357,511.77, 493,370.28 and 196,370.58

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Solution

The fourth proportional to 357,511.77, 493,370.28 and 196,370.58 is: 270,993.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,511.77 : 493,370.28 = 196,370.58 : x
  2. Step 2: Convert to fraction form
    357,511.77/493,370.28 = 196,370.58/x
  3. Step 3: Cross multiply
    357,511.77x = 493,370.28 × 196,370.58
  4. Step 4: Simplify right side
    357,511.77x = 96,883,408,038.36
  5. Step 5: Solve for x
    x = 96,883,408,038.36/357,511.77
  6. Step 6: Final answer
    x = 270,993.62

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1.5x scale

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.