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Finding the Fourth Proportional to 216,950.40, 325,382.40 and 104,630.40

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Solution

The fourth proportional to 216,950.40, 325,382.40 and 104,630.40 is: 156,924.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,950.40 : 325,382.40 = 104,630.40 : x
  2. Step 2: Convert to fraction form
    216,950.40/325,382.40 = 104,630.40/x
  3. Step 3: Cross multiply
    216,950.40x = 325,382.40 × 104,630.40
  4. Step 4: Simplify right side
    216,950.40x = 34,044,890,664.96
  5. Step 5: Solve for x
    x = 34,044,890,664.96/216,950.40
  6. Step 6: Final answer
    x = 156,924.77

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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.