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Finding the Fourth Proportional to 373,248,220.20, 523,084,985.40 and 373,248,220.20

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Solution

The fourth proportional to 373,248,220.20, 523,084,985.40 and 373,248,220.20 is: 523,084,985.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,220.20 : 523,084,985.40 = 373,248,220.20 : x
  2. Step 2: Convert to fraction form
    373,248,220.20/523,084,985.40 = 373,248,220.20/x
  3. Step 3: Cross multiply
    373,248,220.20x = 523,084,985.40 × 373,248,220.20
  4. Step 4: Simplify right side
    373,248,220.20x = 195,240,539,813,892,960
  5. Step 5: Solve for x
    x = 195,240,539,813,892,960/373,248,220.20
  6. Step 6: Final answer
    x = 523,084,985.40

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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.