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Finding the Fourth Proportional to 478,297,355.40, 717,446,033.10 and 362,655,793.80

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Solution

The fourth proportional to 478,297,355.40, 717,446,033.10 and 362,655,793.80 is: 543,983,690.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,297,355.40 : 717,446,033.10 = 362,655,793.80 : x
  2. Step 2: Convert to fraction form
    478,297,355.40/717,446,033.10 = 362,655,793.80/x
  3. Step 3: Cross multiply
    478,297,355.40x = 717,446,033.10 × 362,655,793.80
  4. Step 4: Simplify right side
    478,297,355.40x = 260,185,960,642,541,600
  5. Step 5: Solve for x
    x = 260,185,960,642,541,600/478,297,355.40
  6. Step 6: Final answer
    x = 543,983,690.70

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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.