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Finding the Fourth Proportional to 451,368.56, 622,873.32 and 260,377.04

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Solution

The fourth proportional to 451,368.56, 622,873.32 and 260,377.04 is: 359,311.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,368.56 : 622,873.32 = 260,377.04 : x
  2. Step 2: Convert to fraction form
    451,368.56/622,873.32 = 260,377.04/x
  3. Step 3: Cross multiply
    451,368.56x = 622,873.32 × 260,377.04
  4. Step 4: Simplify right side
    451,368.56x = 162,181,911,356.57
  5. Step 5: Solve for x
    x = 162,181,911,356.57/451,368.56
  6. Step 6: Final answer
    x = 359,311.49

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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.