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Finding the Fourth Proportional to 496,725.12, 684,681.60 and 335,529.60

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Solution

The fourth proportional to 496,725.12, 684,681.60 and 335,529.60 is: 462,491.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,725.12 : 684,681.60 = 335,529.60 : x
  2. Step 2: Convert to fraction form
    496,725.12/684,681.60 = 335,529.60/x
  3. Step 3: Cross multiply
    496,725.12x = 684,681.60 × 335,529.60
  4. Step 4: Simplify right side
    496,725.12x = 229,730,943,375.36
  5. Step 5: Solve for x
    x = 229,730,943,375.36/496,725.12
  6. Step 6: Final answer
    x = 462,491.09

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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.