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Finding the Fourth Proportional to 300,984.72, 415,274.88 and 237,124.32

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Solution

The fourth proportional to 300,984.72, 415,274.88 and 237,124.32 is: 327,165.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,984.72 : 415,274.88 = 237,124.32 : x
  2. Step 2: Convert to fraction form
    300,984.72/415,274.88 = 237,124.32/x
  3. Step 3: Cross multiply
    300,984.72x = 415,274.88 × 237,124.32
  4. Step 4: Simplify right side
    300,984.72x = 98,471,773,533.08
  5. Step 5: Solve for x
    x = 98,471,773,533.08/300,984.72
  6. Step 6: Final answer
    x = 327,165.36

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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.