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Finding the Fourth Proportional to 620,902.80, 931,123.80 and 246,848.40

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Solution

The fourth proportional to 620,902.80, 931,123.80 and 246,848.40 is: 370,181.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,902.80 : 931,123.80 = 246,848.40 : x
  2. Step 2: Convert to fraction form
    620,902.80/931,123.80 = 246,848.40/x
  3. Step 3: Cross multiply
    620,902.80x = 931,123.80 × 246,848.40
  4. Step 4: Simplify right side
    620,902.80x = 229,846,420,231.92
  5. Step 5: Solve for x
    x = 229,846,420,231.92/620,902.80
  6. Step 6: Final answer
    x = 370,181.00

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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.