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Finding the Fourth Proportional to 459,464.74, 689,106.27 and 436,679.54

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Solution

The fourth proportional to 459,464.74, 689,106.27 and 436,679.54 is: 654,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,464.74 : 689,106.27 = 436,679.54 : x
  2. Step 2: Convert to fraction form
    459,464.74/689,106.27 = 436,679.54/x
  3. Step 3: Cross multiply
    459,464.74x = 689,106.27 × 436,679.54
  4. Step 4: Simplify right side
    459,464.74x = 300,918,608,994.72
  5. Step 5: Solve for x
    x = 300,918,608,994.72/459,464.74
  6. Step 6: Final answer
    x = 654,932.97

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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.