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Finding the Fourth Proportional to 362,307.56, 500,055.36 and 231,401.12

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Solution

The fourth proportional to 362,307.56, 500,055.36 and 231,401.12 is: 319,378.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,307.56 : 500,055.36 = 231,401.12 : x
  2. Step 2: Convert to fraction form
    362,307.56/500,055.36 = 231,401.12/x
  3. Step 3: Cross multiply
    362,307.56x = 500,055.36 × 231,401.12
  4. Step 4: Simplify right side
    362,307.56x = 115,713,370,366.00
  5. Step 5: Solve for x
    x = 115,713,370,366.00/362,307.56
  6. Step 6: Final answer
    x = 319,378.85

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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.