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Finding the Fourth Proportional to 400,173.38, 600,261.08 and 163,516.05

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Solution

The fourth proportional to 400,173.38, 600,261.08 and 163,516.05 is: 245,274.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,173.38 : 600,261.08 = 163,516.05 : x
  2. Step 2: Convert to fraction form
    400,173.38/600,261.08 = 163,516.05/x
  3. Step 3: Cross multiply
    400,173.38x = 600,261.08 × 163,516.05
  4. Step 4: Simplify right side
    400,173.38x = 98,152,319,952.75
  5. Step 5: Solve for x
    x = 98,152,319,952.75/400,173.38
  6. Step 6: Final answer
    x = 245,274.49

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1.5x scale

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.