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Finding the Fourth Proportional to 298,807.32, 447,743.94 and 187,766.04

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Solution

The fourth proportional to 298,807.32, 447,743.94 and 187,766.04 is: 281,355.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    298,807.32 : 447,743.94 = 187,766.04 : x
  2. Step 2: Convert to fraction form
    298,807.32/447,743.94 = 187,766.04/x
  3. Step 3: Cross multiply
    298,807.32x = 447,743.94 × 187,766.04
  4. Step 4: Simplify right side
    298,807.32x = 84,071,106,547.80
  5. Step 5: Solve for x
    x = 84,071,106,547.80/298,807.32
  6. Step 6: Final answer
    x = 281,355.58

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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.