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Finding the Fourth Proportional to 433,278, 597,912.45 and 239,680.67

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Solution

The fourth proportional to 433,278, 597,912.45 and 239,680.67 is: 330,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,278 : 597,912.45 = 239,680.67 : x
  2. Step 2: Convert to fraction form
    433,278/597,912.45 = 239,680.67/x
  3. Step 3: Cross multiply
    433,278x = 597,912.45 × 239,680.67
  4. Step 4: Simplify right side
    433,278x = 143,308,053,627.78
  5. Step 5: Solve for x
    x = 143,308,053,627.78/433,278
  6. Step 6: Final answer
    x = 330,753.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.