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Finding the Fourth Proportional to 655,171,357.00, 904,158,784.07 and 387,476,662.67

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Solution

The fourth proportional to 655,171,357.00, 904,158,784.07 and 387,476,662.67 is: 534,730,989.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,171,357.00 : 904,158,784.07 = 387,476,662.67 : x
  2. Step 2: Convert to fraction form
    655,171,357.00/904,158,784.07 = 387,476,662.67/x
  3. Step 3: Cross multiply
    655,171,357.00x = 904,158,784.07 × 387,476,662.67
  4. Step 4: Simplify right side
    655,171,357.00x = 350,340,428,176,240,832
  5. Step 5: Solve for x
    x = 350,340,428,176,240,832/655,171,357.00
  6. Step 6: Final answer
    x = 534,730,989.74

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.