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Finding the Fourth Proportional to 433,866.47, 650,813.55 and 134,349.64

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Solution

The fourth proportional to 433,866.47, 650,813.55 and 134,349.64 is: 201,528.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,866.47 : 650,813.55 = 134,349.64 : x
  2. Step 2: Convert to fraction form
    433,866.47/650,813.55 = 134,349.64/x
  3. Step 3: Cross multiply
    433,866.47x = 650,813.55 × 134,349.64
  4. Step 4: Simplify right side
    433,866.47x = 87,436,564,774.49
  5. Step 5: Solve for x
    x = 87,436,564,774.49/433,866.47
  6. Step 6: Final answer
    x = 201,528.75

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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.