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Finding the Fourth Proportional to 433,374.15, 650,130.48 and 133,784.31

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Solution

The fourth proportional to 433,374.15, 650,130.48 and 133,784.31 is: 200,697.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,374.15 : 650,130.48 = 133,784.31 : x
  2. Step 2: Convert to fraction form
    433,374.15/650,130.48 = 133,784.31/x
  3. Step 3: Cross multiply
    433,374.15x = 650,130.48 × 133,784.31
  4. Step 4: Simplify right side
    433,374.15x = 86,977,257,676.77
  5. Step 5: Solve for x
    x = 86,977,257,676.77/433,374.15
  6. Step 6: Final answer
    x = 200,697.84

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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.