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Finding the Fourth Proportional to 450,529.89, 621,705.94 and 246,580.39

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Solution

The fourth proportional to 450,529.89, 621,705.94 and 246,580.39 is: 340,267.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,529.89 : 621,705.94 = 246,580.39 : x
  2. Step 2: Convert to fraction form
    450,529.89/621,705.94 = 246,580.39/x
  3. Step 3: Cross multiply
    450,529.89x = 621,705.94 × 246,580.39
  4. Step 4: Simplify right side
    450,529.89x = 153,300,493,150.52
  5. Step 5: Solve for x
    x = 153,300,493,150.52/450,529.89
  6. Step 6: Final answer
    x = 340,267.09

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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.