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Finding the Fourth Proportional to 589,150.80, 883,726.20 and 339,627.60

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Solution

The fourth proportional to 589,150.80, 883,726.20 and 339,627.60 is: 509,441.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,150.80 : 883,726.20 = 339,627.60 : x
  2. Step 2: Convert to fraction form
    589,150.80/883,726.20 = 339,627.60/x
  3. Step 3: Cross multiply
    589,150.80x = 883,726.20 × 339,627.60
  4. Step 4: Simplify right side
    589,150.80x = 300,137,808,363.12
  5. Step 5: Solve for x
    x = 300,137,808,363.12/589,150.80
  6. Step 6: Final answer
    x = 509,441.40

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Double scale
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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.