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Finding the Fourth Proportional to 603,318.53, 832,724.57 and 345,345.02

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Solution

The fourth proportional to 603,318.53, 832,724.57 and 345,345.02 is: 476,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,318.53 : 832,724.57 = 345,345.02 : x
  2. Step 2: Convert to fraction form
    603,318.53/832,724.57 = 345,345.02/x
  3. Step 3: Cross multiply
    603,318.53x = 832,724.57 × 345,345.02
  4. Step 4: Simplify right side
    603,318.53x = 287,577,279,117.52
  5. Step 5: Solve for x
    x = 287,577,279,117.52/603,318.53
  6. Step 6: Final answer
    x = 476,659.12

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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.