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Finding the Fourth Proportional to 317,269.56, 474,969.36 and 277,903.56

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Solution

The fourth proportional to 317,269.56, 474,969.36 and 277,903.56 is: 416,036.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    317,269.56 : 474,969.36 = 277,903.56 : x
  2. Step 2: Convert to fraction form
    317,269.56/474,969.36 = 277,903.56/x
  3. Step 3: Cross multiply
    317,269.56x = 474,969.36 × 277,903.56
  4. Step 4: Simplify right side
    317,269.56x = 131,995,676,034.92
  5. Step 5: Solve for x
    x = 131,995,676,034.92/317,269.56
  6. Step 6: Final answer
    x = 416,036.37

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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.