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Finding the Fourth Proportional to 522,088.20, 783,205.20 and 222,566.40

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Solution

The fourth proportional to 522,088.20, 783,205.20 and 222,566.40 is: 333,880.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,088.20 : 783,205.20 = 222,566.40 : x
  2. Step 2: Convert to fraction form
    522,088.20/783,205.20 = 222,566.40/x
  3. Step 3: Cross multiply
    522,088.20x = 783,205.20 × 222,566.40
  4. Step 4: Simplify right side
    522,088.20x = 174,315,161,825.28
  5. Step 5: Solve for x
    x = 174,315,161,825.28/522,088.20
  6. Step 6: Final answer
    x = 333,880.68

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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.