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Finding the Fourth Proportional to 492,529.16, 738,835.65 and 155,479.65

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Solution

The fourth proportional to 492,529.16, 738,835.65 and 155,479.65 is: 233,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,529.16 : 738,835.65 = 155,479.65 : x
  2. Step 2: Convert to fraction form
    492,529.16/738,835.65 = 155,479.65/x
  3. Step 3: Cross multiply
    492,529.16x = 738,835.65 × 155,479.65
  4. Step 4: Simplify right side
    492,529.16x = 114,873,908,269.52
  5. Step 5: Solve for x
    x = 114,873,908,269.52/492,529.16
  6. Step 6: Final answer
    x = 233,232.71

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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.