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Finding the Fourth Proportional to 401,243,330.40, 601,864,995.60 and 401,243,330.40

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Solution

The fourth proportional to 401,243,330.40, 601,864,995.60 and 401,243,330.40 is: 601,864,995.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,243,330.40 : 601,864,995.60 = 401,243,330.40 : x
  2. Step 2: Convert to fraction form
    401,243,330.40/601,864,995.60 = 401,243,330.40/x
  3. Step 3: Cross multiply
    401,243,330.40x = 601,864,995.60 × 401,243,330.40
  4. Step 4: Simplify right side
    401,243,330.40x = 241,494,315,285,725,344
  5. Step 5: Solve for x
    x = 241,494,315,285,725,344/401,243,330.40
  6. Step 6: Final answer
    x = 601,864,995.60

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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.