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Finding the Fourth Proportional to 605,008.12, 834,898.06 and 333,065.61

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Solution

The fourth proportional to 605,008.12, 834,898.06 and 333,065.61 is: 459,623.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,008.12 : 834,898.06 = 333,065.61 : x
  2. Step 2: Convert to fraction form
    605,008.12/834,898.06 = 333,065.61/x
  3. Step 3: Cross multiply
    605,008.12x = 834,898.06 × 333,065.61
  4. Step 4: Simplify right side
    605,008.12x = 278,075,831,641.72
  5. Step 5: Solve for x
    x = 278,075,831,641.72/605,008.12
  6. Step 6: Final answer
    x = 459,623.30

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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.