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Finding the Fourth Proportional to 403,190.00, 556,373.48 and 239,837.50

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Solution

The fourth proportional to 403,190.00, 556,373.48 and 239,837.50 is: 330,958.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,190.00 : 556,373.48 = 239,837.50 : x
  2. Step 2: Convert to fraction form
    403,190.00/556,373.48 = 239,837.50/x
  3. Step 3: Cross multiply
    403,190.00x = 556,373.48 × 239,837.50
  4. Step 4: Simplify right side
    403,190.00x = 133,439,223,718.16
  5. Step 5: Solve for x
    x = 133,439,223,718.16/403,190.00
  6. Step 6: Final answer
    x = 330,958.67

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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.