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Finding the Fourth Proportional to 586,579.53, 809,496.81 and 331,925.25

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Solution

The fourth proportional to 586,579.53, 809,496.81 and 331,925.25 is: 458,066.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    586,579.53 : 809,496.81 = 331,925.25 : x
  2. Step 2: Convert to fraction form
    586,579.53/809,496.81 = 331,925.25/x
  3. Step 3: Cross multiply
    586,579.53x = 809,496.81 × 331,925.25
  4. Step 4: Simplify right side
    586,579.53x = 268,692,431,033.45
  5. Step 5: Solve for x
    x = 268,692,431,033.45/586,579.53
  6. Step 6: Final answer
    x = 458,066.50

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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.