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Finding the Fourth Proportional to 3,523,999.80, 4,922,970.90 and 3,523,999.80

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Solution

The fourth proportional to 3,523,999.80, 4,922,970.90 and 3,523,999.80 is: 4,922,970.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,523,999.80 : 4,922,970.90 = 3,523,999.80 : x
  2. Step 2: Convert to fraction form
    3,523,999.80/4,922,970.90 = 3,523,999.80/x
  3. Step 3: Cross multiply
    3,523,999.80x = 4,922,970.90 × 3,523,999.80
  4. Step 4: Simplify right side
    3,523,999.80x = 17,348,548,467,005.82
  5. Step 5: Solve for x
    x = 17,348,548,467,005.82/3,523,999.80
  6. Step 6: Final answer
    x = 4,922,970.90

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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.