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Finding the Fourth Proportional to 609,106.47, 840,589.34 and 333,483.63

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Solution

The fourth proportional to 609,106.47, 840,589.34 and 333,483.63 is: 460,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,106.47 : 840,589.34 = 333,483.63 : x
  2. Step 2: Convert to fraction form
    609,106.47/840,589.34 = 333,483.63/x
  3. Step 3: Cross multiply
    609,106.47x = 840,589.34 × 333,483.63
  4. Step 4: Simplify right side
    609,106.47x = 280,322,782,775.09
  5. Step 5: Solve for x
    x = 280,322,782,775.09/609,106.47
  6. Step 6: Final answer
    x = 460,219.68

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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.