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Finding the Fourth Proportional to 374,920.65, 562,380.98 and 374,920.65

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Solution

The fourth proportional to 374,920.65, 562,380.98 and 374,920.65 is: 562,380.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,920.65 : 562,380.98 = 374,920.65 : x
  2. Step 2: Convert to fraction form
    374,920.65/562,380.98 = 374,920.65/x
  3. Step 3: Cross multiply
    374,920.65x = 562,380.98 × 374,920.65
  4. Step 4: Simplify right side
    374,920.65x = 210,848,240,694.63
  5. Step 5: Solve for x
    x = 210,848,240,694.63/374,920.65
  6. Step 6: Final answer
    x = 562,380.98

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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.