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Finding the Fourth Proportional to 492,532.16, 738,840.15 and 155,482.65

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Solution

The fourth proportional to 492,532.16, 738,840.15 and 155,482.65 is: 233,237.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,532.16 : 738,840.15 = 155,482.65 : x
  2. Step 2: Convert to fraction form
    492,532.16/738,840.15 = 155,482.65/x
  3. Step 3: Cross multiply
    492,532.16x = 738,840.15 × 155,482.65
  4. Step 4: Simplify right side
    492,532.16x = 114,876,824,448.40
  5. Step 5: Solve for x
    x = 114,876,824,448.40/492,532.16
  6. Step 6: Final answer
    x = 233,237.21

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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.