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Finding the Fourth Proportional to 493,683.30, 740,014.65 and 268,568.10

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Solution

The fourth proportional to 493,683.30, 740,014.65 and 268,568.10 is: 402,574.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,683.30 : 740,014.65 = 268,568.10 : x
  2. Step 2: Convert to fraction form
    493,683.30/740,014.65 = 268,568.10/x
  3. Step 3: Cross multiply
    493,683.30x = 740,014.65 × 268,568.10
  4. Step 4: Simplify right side
    493,683.30x = 198,744,328,522.67
  5. Step 5: Solve for x
    x = 198,744,328,522.67/493,683.30
  6. Step 6: Final answer
    x = 402,574.54

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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.