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Finding the Fourth Proportional to 402,409,233.70, 603,613,850.55 and 402,409,233.70

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Solution

The fourth proportional to 402,409,233.70, 603,613,850.55 and 402,409,233.70 is: 603,613,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,409,233.70 : 603,613,850.55 = 402,409,233.70 : x
  2. Step 2: Convert to fraction form
    402,409,233.70/603,613,850.55 = 402,409,233.70/x
  3. Step 3: Cross multiply
    402,409,233.70x = 603,613,850.55 × 402,409,233.70
  4. Step 4: Simplify right side
    402,409,233.70x = 242,899,787,050,531,808
  5. Step 5: Solve for x
    x = 242,899,787,050,531,808/402,409,233.70
  6. Step 6: Final answer
    x = 603,613,850.55

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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.