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Finding the Fourth Proportional to 374,976,187.80, 523,757,339.40 and 374,976,187.80

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Solution

The fourth proportional to 374,976,187.80, 523,757,339.40 and 374,976,187.80 is: 523,757,339.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,976,187.80 : 523,757,339.40 = 374,976,187.80 : x
  2. Step 2: Convert to fraction form
    374,976,187.80/523,757,339.40 = 374,976,187.80/x
  3. Step 3: Cross multiply
    374,976,187.80x = 523,757,339.40 × 374,976,187.80
  4. Step 4: Simplify right side
    374,976,187.80x = 196,396,530,460,482,752
  5. Step 5: Solve for x
    x = 196,396,530,460,482,752/374,976,187.80
  6. Step 6: Final answer
    x = 523,757,339.40

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.