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Finding the Fourth Proportional to 374,874.12, 562,061.16 and 206,473.32

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Solution

The fourth proportional to 374,874.12, 562,061.16 and 206,473.32 is: 309,572.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,874.12 : 562,061.16 = 206,473.32 : x
  2. Step 2: Convert to fraction form
    374,874.12/562,061.16 = 206,473.32/x
  3. Step 3: Cross multiply
    374,874.12x = 562,061.16 × 206,473.32
  4. Step 4: Simplify right side
    374,874.12x = 116,050,633,748.25
  5. Step 5: Solve for x
    x = 116,050,633,748.25/374,874.12
  6. Step 6: Final answer
    x = 309,572.27

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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.