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Finding the Fourth Proportional to 458,532.30, 687,798.45 and 222,336.30

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Solution

The fourth proportional to 458,532.30, 687,798.45 and 222,336.30 is: 333,504.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,532.30 : 687,798.45 = 222,336.30 : x
  2. Step 2: Convert to fraction form
    458,532.30/687,798.45 = 222,336.30/x
  3. Step 3: Cross multiply
    458,532.30x = 687,798.45 × 222,336.30
  4. Step 4: Simplify right side
    458,532.30x = 152,922,562,518.74
  5. Step 5: Solve for x
    x = 152,922,562,518.74/458,532.30
  6. Step 6: Final answer
    x = 333,504.45

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Similar ratio
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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.