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Finding the Fourth Proportional to 364,399.32, 502,871.58 and 203,250.12

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Solution

The fourth proportional to 364,399.32, 502,871.58 and 203,250.12 is: 280,485.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,399.32 : 502,871.58 = 203,250.12 : x
  2. Step 2: Convert to fraction form
    364,399.32/502,871.58 = 203,250.12/x
  3. Step 3: Cross multiply
    364,399.32x = 502,871.58 × 203,250.12
  4. Step 4: Simplify right side
    364,399.32x = 102,208,708,979.59
  5. Step 5: Solve for x
    x = 102,208,708,979.59/364,399.32
  6. Step 6: Final answer
    x = 280,485.45

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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.