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Finding the Fourth Proportional to 505,517.04, 757,901.34 and 238,966.29

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Solution

The fourth proportional to 505,517.04, 757,901.34 and 238,966.29 is: 358,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,517.04 : 757,901.34 = 238,966.29 : x
  2. Step 2: Convert to fraction form
    505,517.04/757,901.34 = 238,966.29/x
  3. Step 3: Cross multiply
    505,517.04x = 757,901.34 × 238,966.29
  4. Step 4: Simplify right side
    505,517.04x = 181,112,871,405.83
  5. Step 5: Solve for x
    x = 181,112,871,405.83/505,517.04
  6. Step 6: Final answer
    x = 358,272.53

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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.