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Finding the Fourth Proportional to 605,729,878.50, 836,596,753.41 and 407,146,607.07

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Solution

The fourth proportional to 605,729,878.50, 836,596,753.41 and 407,146,607.07 is: 562,325,785.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,729,878.50 : 836,596,753.41 = 407,146,607.07 : x
  2. Step 2: Convert to fraction form
    605,729,878.50/836,596,753.41 = 407,146,607.07/x
  3. Step 3: Cross multiply
    605,729,878.50x = 836,596,753.41 × 407,146,607.07
  4. Step 4: Simplify right side
    605,729,878.50x = 340,617,529,636,310,016
  5. Step 5: Solve for x
    x = 340,617,529,636,310,016/605,729,878.50
  6. Step 6: Final answer
    x = 562,325,785.35

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Why These Related Problems?

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