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Finding the Fourth Proportional to 370,005.65, 554,911.23 and 159,596.81

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Solution

The fourth proportional to 370,005.65, 554,911.23 and 159,596.81 is: 239,353.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,005.65 : 554,911.23 = 159,596.81 : x
  2. Step 2: Convert to fraction form
    370,005.65/554,911.23 = 159,596.81/x
  3. Step 3: Cross multiply
    370,005.65x = 554,911.23 × 159,596.81
  4. Step 4: Simplify right side
    370,005.65x = 88,562,062,141.18
  5. Step 5: Solve for x
    x = 88,562,062,141.18/370,005.65
  6. Step 6: Final answer
    x = 239,353.27

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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.