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Finding the Fourth Proportional to 1,703,714, 2,554,822.56 and 638,008.64

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Solution

The fourth proportional to 1,703,714, 2,554,822.56 and 638,008.64 is: 956,732.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,703,714 : 2,554,822.56 = 638,008.64 : x
  2. Step 2: Convert to fraction form
    1,703,714/2,554,822.56 = 638,008.64/x
  3. Step 3: Cross multiply
    1,703,714x = 2,554,822.56 × 638,008.64
  4. Step 4: Simplify right side
    1,703,714x = 1,629,998,866,946.92
  5. Step 5: Solve for x
    x = 1,629,998,866,946.92/1,703,714
  6. Step 6: Final answer
    x = 956,732.68

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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.