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Finding the Fourth Proportional to 560,843.52, 774,052.92 and 356,681.58

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Solution

The fourth proportional to 560,843.52, 774,052.92 and 356,681.58 is: 492,277.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    560,843.52 : 774,052.92 = 356,681.58 : x
  2. Step 2: Convert to fraction form
    560,843.52/774,052.92 = 356,681.58/x
  3. Step 3: Cross multiply
    560,843.52x = 774,052.92 × 356,681.58
  4. Step 4: Simplify right side
    560,843.52x = 276,090,418,509.21
  5. Step 5: Solve for x
    x = 276,090,418,509.21/560,843.52
  6. Step 6: Final answer
    x = 492,277.09

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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.