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Finding the Fourth Proportional to 459,477.74, 689,125.74 and 436,692.56

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Solution

The fourth proportional to 459,477.74, 689,125.74 and 436,692.56 is: 654,952.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,477.74 : 689,125.74 = 436,692.56 : x
  2. Step 2: Convert to fraction form
    459,477.74/689,125.74 = 436,692.56/x
  3. Step 3: Cross multiply
    459,477.74x = 689,125.74 × 436,692.56
  4. Step 4: Simplify right side
    459,477.74x = 300,936,083,562.49
  5. Step 5: Solve for x
    x = 300,936,083,562.49/459,477.74
  6. Step 6: Final answer
    x = 654,952.48

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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.