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Finding the Fourth Proportional to 374,806.70, 562,210.05 and 108,575.90

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Solution

The fourth proportional to 374,806.70, 562,210.05 and 108,575.90 is: 162,863.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,806.70 : 562,210.05 = 108,575.90 : x
  2. Step 2: Convert to fraction form
    374,806.70/562,210.05 = 108,575.90/x
  3. Step 3: Cross multiply
    374,806.70x = 562,210.05 × 108,575.90
  4. Step 4: Simplify right side
    374,806.70x = 61,042,462,167.80
  5. Step 5: Solve for x
    x = 61,042,462,167.80/374,806.70
  6. Step 6: Final answer
    x = 162,863.85

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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.