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Finding the Fourth Proportional to 451,981.41, 623,742 and 248,051.31

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Solution

The fourth proportional to 451,981.41, 623,742 and 248,051.31 is: 342,315.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,981.41 : 623,742 = 248,051.31 : x
  2. Step 2: Convert to fraction form
    451,981.41/623,742 = 248,051.31/x
  3. Step 3: Cross multiply
    451,981.41x = 623,742 × 248,051.31
  4. Step 4: Simplify right side
    451,981.41x = 154,720,020,202.02
  5. Step 5: Solve for x
    x = 154,720,020,202.02/451,981.41
  6. Step 6: Final answer
    x = 342,315.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.