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Finding the Fourth Proportional to 552,724.65, 828,994.23 and 153,405.99

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Solution

The fourth proportional to 552,724.65, 828,994.23 and 153,405.99 is: 230,083.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,724.65 : 828,994.23 = 153,405.99 : x
  2. Step 2: Convert to fraction form
    552,724.65/828,994.23 = 153,405.99/x
  3. Step 3: Cross multiply
    552,724.65x = 828,994.23 × 153,405.99
  4. Step 4: Simplify right side
    552,724.65x = 127,172,680,557.44
  5. Step 5: Solve for x
    x = 127,172,680,557.44/552,724.65
  6. Step 6: Final answer
    x = 230,083.24

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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.