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Finding the Fourth Proportional to 517,509.74, 776,002.02 and 236,786.42

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Solution

The fourth proportional to 517,509.74, 776,002.02 and 236,786.42 is: 355,059.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    517,509.74 : 776,002.02 = 236,786.42 : x
  2. Step 2: Convert to fraction form
    517,509.74/776,002.02 = 236,786.42/x
  3. Step 3: Cross multiply
    517,509.74x = 776,002.02 × 236,786.42
  4. Step 4: Simplify right side
    517,509.74x = 183,746,740,228.57
  5. Step 5: Solve for x
    x = 183,746,740,228.57/517,509.74
  6. Step 6: Final answer
    x = 355,059.48

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.