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Finding the Fourth Proportional to 298,151.04, 411,436.56 and 162,185.16

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Solution

The fourth proportional to 298,151.04, 411,436.56 and 162,185.16 is: 223,809.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,151.04 : 411,436.56 = 162,185.16 : x
  2. Step 2: Convert to fraction form
    298,151.04/411,436.56 = 162,185.16/x
  3. Step 3: Cross multiply
    298,151.04x = 411,436.56 × 162,185.16
  4. Step 4: Simplify right side
    298,151.04x = 66,728,904,313.45
  5. Step 5: Solve for x
    x = 66,728,904,313.45/298,151.04
  6. Step 6: Final answer
    x = 223,809.06

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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.