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Finding the Fourth Proportional to 550,608,178, 759,854,949.08 and 299,728,749.28

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Solution

The fourth proportional to 550,608,178, 759,854,949.08 and 299,728,749.28 is: 413,634,200.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,608,178 : 759,854,949.08 = 299,728,749.28 : x
  2. Step 2: Convert to fraction form
    550,608,178/759,854,949.08 = 299,728,749.28/x
  3. Step 3: Cross multiply
    550,608,178x = 759,854,949.08 × 299,728,749.28
  4. Step 4: Simplify right side
    550,608,178x = 227,750,373,521,966,464
  5. Step 5: Solve for x
    x = 227,750,373,521,966,464/550,608,178
  6. Step 6: Final answer
    x = 413,634,200.55

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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.