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Finding the Fourth Proportional to 219,300.60, 328,960.62 and 61,525.56

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Solution

The fourth proportional to 219,300.60, 328,960.62 and 61,525.56 is: 92,291.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    219,300.60 : 328,960.62 = 61,525.56 : x
  2. Step 2: Convert to fraction form
    219,300.60/328,960.62 = 61,525.56/x
  3. Step 3: Cross multiply
    219,300.60x = 328,960.62 × 61,525.56
  4. Step 4: Simplify right side
    219,300.60x = 20,239,486,363.45
  5. Step 5: Solve for x
    x = 20,239,486,363.45/219,300.60
  6. Step 6: Final answer
    x = 92,291.07

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1.5x scale

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.