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Finding the Fourth Proportional to 303,953.40, 456,059.70 and 146,100.60

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Solution

The fourth proportional to 303,953.40, 456,059.70 and 146,100.60 is: 219,213.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,953.40 : 456,059.70 = 146,100.60 : x
  2. Step 2: Convert to fraction form
    303,953.40/456,059.70 = 146,100.60/x
  3. Step 3: Cross multiply
    303,953.40x = 456,059.70 × 146,100.60
  4. Step 4: Simplify right side
    303,953.40x = 66,630,595,805.82
  5. Step 5: Solve for x
    x = 66,630,595,805.82/303,953.40
  6. Step 6: Final answer
    x = 219,213.19

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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.