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Finding the Fourth Proportional to 501,527.28, 692,101.44 and 275,172.60

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Solution

The fourth proportional to 501,527.28, 692,101.44 and 275,172.60 is: 379,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,527.28 : 692,101.44 = 275,172.60 : x
  2. Step 2: Convert to fraction form
    501,527.28/692,101.44 = 275,172.60/x
  3. Step 3: Cross multiply
    501,527.28x = 692,101.44 × 275,172.60
  4. Step 4: Simplify right side
    501,527.28x = 190,447,352,708.54
  5. Step 5: Solve for x
    x = 190,447,352,708.54/501,527.28
  6. Step 6: Final answer
    x = 379,734.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.