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Finding the Fourth Proportional to 481,500.59, 722,360.33 and 256,742.51

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Solution

The fourth proportional to 481,500.59, 722,360.33 and 256,742.51 is: 385,172.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,500.59 : 722,360.33 = 256,742.51 : x
  2. Step 2: Convert to fraction form
    481,500.59/722,360.33 = 256,742.51/x
  3. Step 3: Cross multiply
    481,500.59x = 722,360.33 × 256,742.51
  4. Step 4: Simplify right side
    481,500.59x = 185,460,602,964.92
  5. Step 5: Solve for x
    x = 185,460,602,964.92/481,500.59
  6. Step 6: Final answer
    x = 385,172.12

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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.