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Finding the Fourth Proportional to 605,359.11, 835,401.23 and 333,428.01

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Solution

The fourth proportional to 605,359.11, 835,401.23 and 333,428.01 is: 460,133.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,359.11 : 835,401.23 = 333,428.01 : x
  2. Step 2: Convert to fraction form
    605,359.11/835,401.23 = 333,428.01/x
  3. Step 3: Cross multiply
    605,359.11x = 835,401.23 × 333,428.01
  4. Step 4: Simplify right side
    605,359.11x = 278,546,169,670.45
  5. Step 5: Solve for x
    x = 278,546,169,670.45/605,359.11
  6. Step 6: Final answer
    x = 460,133.77

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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.