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Finding the Fourth Proportional to 373,248,381.45, 523,085,211.15 and 373,248,381.45

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Solution

The fourth proportional to 373,248,381.45, 523,085,211.15 and 373,248,381.45 is: 523,085,211.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,381.45 : 523,085,211.15 = 373,248,381.45 : x
  2. Step 2: Convert to fraction form
    373,248,381.45/523,085,211.15 = 373,248,381.45/x
  3. Step 3: Cross multiply
    373,248,381.45x = 523,085,211.15 × 373,248,381.45
  4. Step 4: Simplify right side
    373,248,381.45x = 195,240,708,422,168,992
  5. Step 5: Solve for x
    x = 195,240,708,422,168,992/373,248,381.45
  6. Step 6: Final answer
    x = 523,085,211.15

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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.