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Finding the Fourth Proportional to 2,387,114, 3,580,671.04 and 811,178

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Solution

The fourth proportional to 2,387,114, 3,580,671.04 and 811,178 is: 1,216,767.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,387,114 : 3,580,671.04 = 811,178 : x
  2. Step 2: Convert to fraction form
    2,387,114/3,580,671.04 = 811,178/x
  3. Step 3: Cross multiply
    2,387,114x = 3,580,671.04 × 811,178
  4. Step 4: Simplify right side
    2,387,114x = 2,904,561,572,885.12
  5. Step 5: Solve for x
    x = 2,904,561,572,885.12/2,387,114
  6. Step 6: Final answer
    x = 1,216,767.01

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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.