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Finding the Fourth Proportional to 503,140.80, 754,711.20 and 222,513.60

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Solution

The fourth proportional to 503,140.80, 754,711.20 and 222,513.60 is: 333,770.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,140.80 : 754,711.20 = 222,513.60 : x
  2. Step 2: Convert to fraction form
    503,140.80/754,711.20 = 222,513.60/x
  3. Step 3: Cross multiply
    503,140.80x = 754,711.20 × 222,513.60
  4. Step 4: Simplify right side
    503,140.80x = 167,933,506,072.32
  5. Step 5: Solve for x
    x = 167,933,506,072.32/503,140.80
  6. Step 6: Final answer
    x = 333,770.40

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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.