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Finding the Fourth Proportional to 333,629.40, 500,444.10 and 84,311.40

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Solution

The fourth proportional to 333,629.40, 500,444.10 and 84,311.40 is: 126,467.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,629.40 : 500,444.10 = 84,311.40 : x
  2. Step 2: Convert to fraction form
    333,629.40/500,444.10 = 84,311.40/x
  3. Step 3: Cross multiply
    333,629.40x = 500,444.10 × 84,311.40
  4. Step 4: Simplify right side
    333,629.40x = 42,193,142,692.74
  5. Step 5: Solve for x
    x = 42,193,142,692.74/333,629.40
  6. Step 6: Final answer
    x = 126,467.10

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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.