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Finding the Fourth Proportional to 433,897.64, 650,909.82 and 134,405

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Solution

The fourth proportional to 433,897.64, 650,909.82 and 134,405 is: 201,627.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,897.64 : 650,909.82 = 134,405 : x
  2. Step 2: Convert to fraction form
    433,897.64/650,909.82 = 134,405/x
  3. Step 3: Cross multiply
    433,897.64x = 650,909.82 × 134,405
  4. Step 4: Simplify right side
    433,897.64x = 87,485,534,357.10
  5. Step 5: Solve for x
    x = 87,485,534,357.10/433,897.64
  6. Step 6: Final answer
    x = 201,627.13

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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.