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Finding the Fourth Proportional to 1,747,234.51, 2,410,784.71 and 983,009.23

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Solution

The fourth proportional to 1,747,234.51, 2,410,784.71 and 983,009.23 is: 1,356,328.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,747,234.51 : 2,410,784.71 = 983,009.23 : x
  2. Step 2: Convert to fraction form
    1,747,234.51/2,410,784.71 = 983,009.23/x
  3. Step 3: Cross multiply
    1,747,234.51x = 2,410,784.71 × 983,009.23
  4. Step 4: Simplify right side
    1,747,234.51x = 2,369,823,621,472.87
  5. Step 5: Solve for x
    x = 2,369,823,621,472.87/1,747,234.51
  6. Step 6: Final answer
    x = 1,356,328.31

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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.