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Finding the Fourth Proportional to 589,151.80, 883,727.70 and 339,628.60

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Solution

The fourth proportional to 589,151.80, 883,727.70 and 339,628.60 is: 509,442.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,151.80 : 883,727.70 = 339,628.60 : x
  2. Step 2: Convert to fraction form
    589,151.80/883,727.70 = 339,628.60/x
  3. Step 3: Cross multiply
    589,151.80x = 883,727.70 × 339,628.60
  4. Step 4: Simplify right side
    589,151.80x = 300,139,201,532.22
  5. Step 5: Solve for x
    x = 300,139,201,532.22/589,151.80
  6. Step 6: Final answer
    x = 509,442.90

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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.