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Finding the Fourth Proportional to 358,856.56, 538,266.93 and 134,200.48

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Solution

The fourth proportional to 358,856.56, 538,266.93 and 134,200.48 is: 201,294.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,856.56 : 538,266.93 = 134,200.48 : x
  2. Step 2: Convert to fraction form
    358,856.56/538,266.93 = 134,200.48/x
  3. Step 3: Cross multiply
    358,856.56x = 538,266.93 × 134,200.48
  4. Step 4: Simplify right side
    358,856.56x = 72,235,677,682.79
  5. Step 5: Solve for x
    x = 72,235,677,682.79/358,856.56
  6. Step 6: Final answer
    x = 201,294.02

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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.