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Finding the Fourth Proportional to 374,976,176.55, 523,757,323.65 and 374,976,176.55

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Solution

The fourth proportional to 374,976,176.55, 523,757,323.65 and 374,976,176.55 is: 523,757,323.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    374,976,176.55 : 523,757,323.65 = 374,976,176.55 : x
  2. Step 2: Convert to fraction form
    374,976,176.55/523,757,323.65 = 374,976,176.55/x
  3. Step 3: Cross multiply
    374,976,176.55x = 523,757,323.65 × 374,976,176.55
  4. Step 4: Simplify right side
    374,976,176.55x = 196,396,518,662,337,888
  5. Step 5: Solve for x
    x = 196,396,518,662,337,888/374,976,176.55
  6. Step 6: Final answer
    x = 523,757,323.65

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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.