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Finding the Fourth Proportional to 374,689,792.40, 562,034,688.60 and 336,520,518.80

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Solution

The fourth proportional to 374,689,792.40, 562,034,688.60 and 336,520,518.80 is: 504,780,778.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,689,792.40 : 562,034,688.60 = 336,520,518.80 : x
  2. Step 2: Convert to fraction form
    374,689,792.40/562,034,688.60 = 336,520,518.80/x
  3. Step 3: Cross multiply
    374,689,792.40x = 562,034,688.60 × 336,520,518.80
  4. Step 4: Simplify right side
    374,689,792.40x = 189,136,204,991,268,448
  5. Step 5: Solve for x
    x = 189,136,204,991,268,448/374,689,792.40
  6. Step 6: Final answer
    x = 504,780,778.20

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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.