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Finding the Fourth Proportional to 355,237.20, 532,855.80 and 222,526.80

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Solution

The fourth proportional to 355,237.20, 532,855.80 and 222,526.80 is: 333,790.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,237.20 : 532,855.80 = 222,526.80 : x
  2. Step 2: Convert to fraction form
    355,237.20/532,855.80 = 222,526.80/x
  3. Step 3: Cross multiply
    355,237.20x = 532,855.80 × 222,526.80
  4. Step 4: Simplify right side
    355,237.20x = 118,574,696,035.44
  5. Step 5: Solve for x
    x = 118,574,696,035.44/355,237.20
  6. Step 6: Final answer
    x = 333,790.20

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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.