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Finding the Fourth Proportional to 329,718.65, 493,802.91 and 160,709.31

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Solution

The fourth proportional to 329,718.65, 493,802.91 and 160,709.31 is: 240,686.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,718.65 : 493,802.91 = 160,709.31 : x
  2. Step 2: Convert to fraction form
    329,718.65/493,802.91 = 160,709.31/x
  3. Step 3: Cross multiply
    329,718.65x = 493,802.91 × 160,709.31
  4. Step 4: Simplify right side
    329,718.65x = 79,358,724,942.09
  5. Step 5: Solve for x
    x = 79,358,724,942.09/329,718.65
  6. Step 6: Final answer
    x = 240,686.19

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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.