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Finding the Fourth Proportional to 427,254.75, 589,075.47 and 274,022.46

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Solution

The fourth proportional to 427,254.75, 589,075.47 and 274,022.46 is: 377,807.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,254.75 : 589,075.47 = 274,022.46 : x
  2. Step 2: Convert to fraction form
    427,254.75/589,075.47 = 274,022.46/x
  3. Step 3: Cross multiply
    427,254.75x = 589,075.47 × 274,022.46
  4. Step 4: Simplify right side
    427,254.75x = 161,419,909,415.06
  5. Step 5: Solve for x
    x = 161,419,909,415.06/427,254.75
  6. Step 6: Final answer
    x = 377,807.17

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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.