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Finding the Fourth Proportional to 332,212.70, 498,319.05 and 330,244.40

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Solution

The fourth proportional to 332,212.70, 498,319.05 and 330,244.40 is: 495,366.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,212.70 : 498,319.05 = 330,244.40 : x
  2. Step 2: Convert to fraction form
    332,212.70/498,319.05 = 330,244.40/x
  3. Step 3: Cross multiply
    332,212.70x = 498,319.05 × 330,244.40
  4. Step 4: Simplify right side
    332,212.70x = 164,567,075,675.82
  5. Step 5: Solve for x
    x = 164,567,075,675.82/332,212.70
  6. Step 6: Final answer
    x = 495,366.60

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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.