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Finding the Fourth Proportional to 448,051.88, 618,311.60 and 246,852.20

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Solution

The fourth proportional to 448,051.88, 618,311.60 and 246,852.20 is: 340,656.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,051.88 : 618,311.60 = 246,852.20 : x
  2. Step 2: Convert to fraction form
    448,051.88/618,311.60 = 246,852.20/x
  3. Step 3: Cross multiply
    448,051.88x = 618,311.60 × 246,852.20
  4. Step 4: Simplify right side
    448,051.88x = 152,631,574,419.70
  5. Step 5: Solve for x
    x = 152,631,574,419.70/448,051.88
  6. Step 6: Final answer
    x = 340,656.03

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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.