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Finding the Fourth Proportional to 559,873,404.80, 839,810,107.20 and 355,548,118.40

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Solution

The fourth proportional to 559,873,404.80, 839,810,107.20 and 355,548,118.40 is: 533,322,177.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    559,873,404.80 : 839,810,107.20 = 355,548,118.40 : x
  2. Step 2: Convert to fraction form
    559,873,404.80/839,810,107.20 = 355,548,118.40/x
  3. Step 3: Cross multiply
    559,873,404.80x = 839,810,107.20 × 355,548,118.40
  4. Step 4: Simplify right side
    559,873,404.80x = 298,592,903,428,262,272
  5. Step 5: Solve for x
    x = 298,592,903,428,262,272/559,873,404.80
  6. Step 6: Final answer
    x = 533,322,177.60

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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.