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Finding the Fourth Proportional to 1,384,368.90, 2,076,553.35 and 1,384,368.90

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Solution

The fourth proportional to 1,384,368.90, 2,076,553.35 and 1,384,368.90 is: 2,076,553.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,368.90 : 2,076,553.35 = 1,384,368.90 : x
  2. Step 2: Convert to fraction form
    1,384,368.90/2,076,553.35 = 1,384,368.90/x
  3. Step 3: Cross multiply
    1,384,368.90x = 2,076,553.35 × 1,384,368.90
  4. Step 4: Simplify right side
    1,384,368.90x = 2,874,715,876,930.82
  5. Step 5: Solve for x
    x = 2,874,715,876,930.82/1,384,368.90
  6. Step 6: Final answer
    x = 2,076,553.35

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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.