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Finding the Fourth Proportional to 424,405.28, 585,697.83 and 233,425.64

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Solution

The fourth proportional to 424,405.28, 585,697.83 and 233,425.64 is: 322,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,405.28 : 585,697.83 = 233,425.64 : x
  2. Step 2: Convert to fraction form
    424,405.28/585,697.83 = 233,425.64/x
  3. Step 3: Cross multiply
    424,405.28x = 585,697.83 × 233,425.64
  4. Step 4: Simplify right side
    424,405.28x = 136,716,890,814.36
  5. Step 5: Solve for x
    x = 136,716,890,814.36/424,405.28
  6. Step 6: Final answer
    x = 322,137.58

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1.5x scale

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.