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Finding the Fourth Proportional to 448,955.08, 619,571.06 and 245,019.11

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Solution

The fourth proportional to 448,955.08, 619,571.06 and 245,019.11 is: 338,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,955.08 : 619,571.06 = 245,019.11 : x
  2. Step 2: Convert to fraction form
    448,955.08/619,571.06 = 245,019.11/x
  3. Step 3: Cross multiply
    448,955.08x = 619,571.06 × 245,019.11
  4. Step 4: Simplify right side
    448,955.08x = 151,806,749,702.96
  5. Step 5: Solve for x
    x = 151,806,749,702.96/448,955.08
  6. Step 6: Final answer
    x = 338,133.49

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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.