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Finding the Fourth Proportional to 644,769.60, 967,154.40 and 589,657.20

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Solution

The fourth proportional to 644,769.60, 967,154.40 and 589,657.20 is: 884,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,769.60 : 967,154.40 = 589,657.20 : x
  2. Step 2: Convert to fraction form
    644,769.60/967,154.40 = 589,657.20/x
  3. Step 3: Cross multiply
    644,769.60x = 967,154.40 × 589,657.20
  4. Step 4: Simplify right side
    644,769.60x = 570,289,555,471.68
  5. Step 5: Solve for x
    x = 570,289,555,471.68/644,769.60
  6. Step 6: Final answer
    x = 884,485.80

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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.