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Finding the Fourth Proportional to 522,045.80, 783,155.10 and 222,669.80

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Solution

The fourth proportional to 522,045.80, 783,155.10 and 222,669.80 is: 334,041.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,045.80 : 783,155.10 = 222,669.80 : x
  2. Step 2: Convert to fraction form
    522,045.80/783,155.10 = 222,669.80/x
  3. Step 3: Cross multiply
    522,045.80x = 783,155.10 × 222,669.80
  4. Step 4: Simplify right side
    522,045.80x = 174,384,989,485.98
  5. Step 5: Solve for x
    x = 174,384,989,485.98/522,045.80
  6. Step 6: Final answer
    x = 334,041.55

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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.