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Finding the Fourth Proportional to 204,776,218.90, 307,164,328.35 and 204,776,218.90

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Solution

The fourth proportional to 204,776,218.90, 307,164,328.35 and 204,776,218.90 is: 307,164,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,776,218.90 : 307,164,328.35 = 204,776,218.90 : x
  2. Step 2: Convert to fraction form
    204,776,218.90/307,164,328.35 = 204,776,218.90/x
  3. Step 3: Cross multiply
    204,776,218.90x = 307,164,328.35 × 204,776,218.90
  4. Step 4: Simplify right side
    204,776,218.90x = 62,899,949,740,471,080
  5. Step 5: Solve for x
    x = 62,899,949,740,471,080/204,776,218.90
  6. Step 6: Final answer
    x = 307,164,328.35

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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.