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Finding the Fourth Proportional to 492,355.35, 738,533.03 and 155,632.53

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Solution

The fourth proportional to 492,355.35, 738,533.03 and 155,632.53 is: 233,448.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,355.35 : 738,533.03 = 155,632.53 : x
  2. Step 2: Convert to fraction form
    492,355.35/738,533.03 = 155,632.53/x
  3. Step 3: Cross multiply
    492,355.35x = 738,533.03 × 155,632.53
  4. Step 4: Simplify right side
    492,355.35x = 114,939,763,169.30
  5. Step 5: Solve for x
    x = 114,939,763,169.30/492,355.35
  6. Step 6: Final answer
    x = 233,448.80

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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.