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Finding the Fourth Proportional to 333,533.36, 459,965.06 and 308,763.56

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Solution

The fourth proportional to 333,533.36, 459,965.06 and 308,763.56 is: 425,805.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    333,533.36 : 459,965.06 = 308,763.56 : x
  2. Step 2: Convert to fraction form
    333,533.36/459,965.06 = 308,763.56/x
  3. Step 3: Cross multiply
    333,533.36x = 459,965.06 × 308,763.56
  4. Step 4: Simplify right side
    333,533.36x = 142,020,449,401.21
  5. Step 5: Solve for x
    x = 142,020,449,401.21/333,533.36
  6. Step 6: Final answer
    x = 425,805.83

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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.