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Finding the Fourth Proportional to 610,558.91, 842,558.74 and 338,582.91

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Solution

The fourth proportional to 610,558.91, 842,558.74 and 338,582.91 is: 467,237.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,558.91 : 842,558.74 = 338,582.91 : x
  2. Step 2: Convert to fraction form
    610,558.91/842,558.74 = 338,582.91/x
  3. Step 3: Cross multiply
    610,558.91x = 842,558.74 × 338,582.91
  4. Step 4: Simplify right side
    610,558.91x = 285,275,989,188.68
  5. Step 5: Solve for x
    x = 285,275,989,188.68/610,558.91
  6. Step 6: Final answer
    x = 467,237.46

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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.