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Finding the Fourth Proportional to 1,335,714, 2,003,687.64 and 338,442

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Solution

The fourth proportional to 1,335,714, 2,003,687.64 and 338,442 is: 507,692.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,714 : 2,003,687.64 = 338,442 : x
  2. Step 2: Convert to fraction form
    1,335,714/2,003,687.64 = 338,442/x
  3. Step 3: Cross multiply
    1,335,714x = 2,003,687.64 × 338,442
  4. Step 4: Simplify right side
    1,335,714x = 678,132,052,256.88
  5. Step 5: Solve for x
    x = 678,132,052,256.88/1,335,714
  6. Step 6: Final answer
    x = 507,692.55

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.