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Finding the Fourth Proportional to 522,314.38, 783,584.36 and 162,478.38

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Solution

The fourth proportional to 522,314.38, 783,584.36 and 162,478.38 is: 243,752.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,314.38 : 783,584.36 = 162,478.38 : x
  2. Step 2: Convert to fraction form
    522,314.38/783,584.36 = 162,478.38/x
  3. Step 3: Cross multiply
    522,314.38x = 783,584.36 × 162,478.38
  4. Step 4: Simplify right side
    522,314.38x = 127,315,517,406.14
  5. Step 5: Solve for x
    x = 127,315,517,406.14/522,314.38
  6. Step 6: Final answer
    x = 243,752.66

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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.