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Finding the Fourth Proportional to 425,690.04, 586,372.14 and 324,913.08

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Solution

The fourth proportional to 425,690.04, 586,372.14 and 324,913.08 is: 447,555.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    425,690.04 : 586,372.14 = 324,913.08 : x
  2. Step 2: Convert to fraction form
    425,690.04/586,372.14 = 324,913.08/x
  3. Step 3: Cross multiply
    425,690.04x = 586,372.14 × 324,913.08
  4. Step 4: Simplify right side
    425,690.04x = 190,519,978,033.59
  5. Step 5: Solve for x
    x = 190,519,978,033.59/425,690.04
  6. Step 6: Final answer
    x = 447,555.64

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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.