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Finding the Fourth Proportional to 374,804.70, 562,207.05 and 108,573.90

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Solution

The fourth proportional to 374,804.70, 562,207.05 and 108,573.90 is: 162,860.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,804.70 : 562,207.05 = 108,573.90 : x
  2. Step 2: Convert to fraction form
    374,804.70/562,207.05 = 108,573.90/x
  3. Step 3: Cross multiply
    374,804.70x = 562,207.05 × 108,573.90
  4. Step 4: Simplify right side
    374,804.70x = 61,041,012,026.00
  5. Step 5: Solve for x
    x = 61,041,012,026.00/374,804.70
  6. Step 6: Final answer
    x = 162,860.85

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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.