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Finding the Fourth Proportional to 356,093,706.40, 534,140,559.60 and 264,260,701.60

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Solution

The fourth proportional to 356,093,706.40, 534,140,559.60 and 264,260,701.60 is: 396,391,052.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,093,706.40 : 534,140,559.60 = 264,260,701.60 : x
  2. Step 2: Convert to fraction form
    356,093,706.40/534,140,559.60 = 264,260,701.60/x
  3. Step 3: Cross multiply
    356,093,706.40x = 534,140,559.60 × 264,260,701.60
  4. Step 4: Simplify right side
    356,093,706.40x = 141,152,359,032,912,624
  5. Step 5: Solve for x
    x = 141,152,359,032,912,624/356,093,706.40
  6. Step 6: Final answer
    x = 396,391,052.40

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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.