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Finding the Fourth Proportional to 294,082.40, 441,415.20 and 144,491.60

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Solution

The fourth proportional to 294,082.40, 441,415.20 and 144,491.60 is: 216,880.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,082.40 : 441,415.20 = 144,491.60 : x
  2. Step 2: Convert to fraction form
    294,082.40/441,415.20 = 144,491.60/x
  3. Step 3: Cross multiply
    294,082.40x = 441,415.20 × 144,491.60
  4. Step 4: Simplify right side
    294,082.40x = 63,780,788,512.32
  5. Step 5: Solve for x
    x = 63,780,788,512.32/294,082.40
  6. Step 6: Final answer
    x = 216,880.67

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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.