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Finding the Fourth Proportional to 298,412.03, 411,807.43 and 162,453.53

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Solution

The fourth proportional to 298,412.03, 411,807.43 and 162,453.53 is: 224,185.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,412.03 : 411,807.43 = 162,453.53 : x
  2. Step 2: Convert to fraction form
    298,412.03/411,807.43 = 162,453.53/x
  3. Step 3: Cross multiply
    298,412.03x = 411,807.43 × 162,453.53
  4. Step 4: Simplify right side
    298,412.03x = 66,899,570,683.73
  5. Step 5: Solve for x
    x = 66,899,570,683.73/298,412.03
  6. Step 6: Final answer
    x = 224,185.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.