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Finding the Fourth Proportional to 454,395,280.05, 681,592,920.08 and 454,395,280.05

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Solution

The fourth proportional to 454,395,280.05, 681,592,920.08 and 454,395,280.05 is: 681,592,920.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,395,280.05 : 681,592,920.08 = 454,395,280.05 : x
  2. Step 2: Convert to fraction form
    454,395,280.05/681,592,920.08 = 454,395,280.05/x
  3. Step 3: Cross multiply
    454,395,280.05x = 681,592,920.08 × 454,395,280.05
  4. Step 4: Simplify right side
    454,395,280.05x = 309,712,605,797,576,896
  5. Step 5: Solve for x
    x = 309,712,605,797,576,896/454,395,280.05
  6. Step 6: Final answer
    x = 681,592,920.08

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