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Finding the Fourth Proportional to 548,875.68, 757,436.37 and 300,517.12

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Solution

The fourth proportional to 548,875.68, 757,436.37 and 300,517.12 is: 414,707.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,875.68 : 757,436.37 = 300,517.12 : x
  2. Step 2: Convert to fraction form
    548,875.68/757,436.37 = 300,517.12/x
  3. Step 3: Cross multiply
    548,875.68x = 757,436.37 × 300,517.12
  4. Step 4: Simplify right side
    548,875.68x = 227,622,596,315.51
  5. Step 5: Solve for x
    x = 227,622,596,315.51/548,875.68
  6. Step 6: Final answer
    x = 414,707.02

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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.