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Finding the Fourth Proportional to 1,563,714, 2,157,910.74 and 884,650.50

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Solution

The fourth proportional to 1,563,714, 2,157,910.74 and 884,650.50 is: 1,220,809.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,563,714 : 2,157,910.74 = 884,650.50 : x
  2. Step 2: Convert to fraction form
    1,563,714/2,157,910.74 = 884,650.50/x
  3. Step 3: Cross multiply
    1,563,714x = 2,157,910.74 × 884,650.50
  4. Step 4: Simplify right side
    1,563,714x = 1,908,996,815,096.37
  5. Step 5: Solve for x
    x = 1,908,996,815,096.37/1,563,714
  6. Step 6: Final answer
    x = 1,220,809.44

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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.