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Finding the Fourth Proportional to 522,064.80, 783,183.60 and 222,688.80

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Solution

The fourth proportional to 522,064.80, 783,183.60 and 222,688.80 is: 334,070.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,064.80 : 783,183.60 = 222,688.80 : x
  2. Step 2: Convert to fraction form
    522,064.80/783,183.60 = 222,688.80/x
  3. Step 3: Cross multiply
    522,064.80x = 783,183.60 × 222,688.80
  4. Step 4: Simplify right side
    522,064.80x = 174,406,216,063.68
  5. Step 5: Solve for x
    x = 174,406,216,063.68/522,064.80
  6. Step 6: Final answer
    x = 334,070.05

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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.