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Finding the Fourth Proportional to 522,205.75, 783,350.12 and 222,688.89

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Solution

The fourth proportional to 522,205.75, 783,350.12 and 222,688.89 is: 334,051.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,205.75 : 783,350.12 = 222,688.89 : x
  2. Step 2: Convert to fraction form
    522,205.75/783,350.12 = 222,688.89/x
  3. Step 3: Cross multiply
    522,205.75x = 783,350.12 × 222,688.89
  4. Step 4: Simplify right side
    522,205.75x = 174,443,364,787.42
  5. Step 5: Solve for x
    x = 174,443,364,787.42/522,205.75
  6. Step 6: Final answer
    x = 334,051.03

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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.