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Finding the Fourth Proportional to 604,455,820.80, 905,172,076.80 and 483,523,468.80

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Solution

The fourth proportional to 604,455,820.80, 905,172,076.80 and 483,523,468.80 is: 724,075,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    604,455,820.80 : 905,172,076.80 = 483,523,468.80 : x
  2. Step 2: Convert to fraction form
    604,455,820.80/905,172,076.80 = 483,523,468.80/x
  3. Step 3: Cross multiply
    604,455,820.80x = 905,172,076.80 × 483,523,468.80
  4. Step 4: Simplify right side
    604,455,820.80x = 437,671,942,435,235,968
  5. Step 5: Solve for x
    x = 437,671,942,435,235,968/604,455,820.80
  6. Step 6: Final answer
    x = 724,075,982.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.