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Finding the Fourth Proportional to 354,318,529.60, 531,477,794.40 and 354,318,529.60

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Solution

The fourth proportional to 354,318,529.60, 531,477,794.40 and 354,318,529.60 is: 531,477,794.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,318,529.60 : 531,477,794.40 = 354,318,529.60 : x
  2. Step 2: Convert to fraction form
    354,318,529.60/531,477,794.40 = 354,318,529.60/x
  3. Step 3: Cross multiply
    354,318,529.60x = 531,477,794.40 × 354,318,529.60
  4. Step 4: Simplify right side
    354,318,529.60x = 188,312,430,626,859,104
  5. Step 5: Solve for x
    x = 188,312,430,626,859,104/354,318,529.60
  6. Step 6: Final answer
    x = 531,477,794.40

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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.