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Finding the Fourth Proportional to 358,473.60, 538,099.20 and 201,009.60

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Solution

The fourth proportional to 358,473.60, 538,099.20 and 201,009.60 is: 301,732.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,473.60 : 538,099.20 = 201,009.60 : x
  2. Step 2: Convert to fraction form
    358,473.60/538,099.20 = 201,009.60/x
  3. Step 3: Cross multiply
    358,473.60x = 538,099.20 × 201,009.60
  4. Step 4: Simplify right side
    358,473.60x = 108,163,104,952.32
  5. Step 5: Solve for x
    x = 108,163,104,952.32/358,473.60
  6. Step 6: Final answer
    x = 301,732.41

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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.