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Finding the Fourth Proportional to 483,210.60, 724,815.90 and 262,026.60

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Solution

The fourth proportional to 483,210.60, 724,815.90 and 262,026.60 is: 393,039.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,210.60 : 724,815.90 = 262,026.60 : x
  2. Step 2: Convert to fraction form
    483,210.60/724,815.90 = 262,026.60/x
  3. Step 3: Cross multiply
    483,210.60x = 724,815.90 × 262,026.60
  4. Step 4: Simplify right side
    483,210.60x = 189,921,045,902.94
  5. Step 5: Solve for x
    x = 189,921,045,902.94/483,210.60
  6. Step 6: Final answer
    x = 393,039.90

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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.