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Finding the Fourth Proportional to 479,585.10, 718,881.93 and 179,854.32

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Solution

The fourth proportional to 479,585.10, 718,881.93 and 179,854.32 is: 269,595.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,585.10 : 718,881.93 = 179,854.32 : x
  2. Step 2: Convert to fraction form
    479,585.10/718,881.93 = 179,854.32/x
  3. Step 3: Cross multiply
    479,585.10x = 718,881.93 × 179,854.32
  4. Step 4: Simplify right side
    479,585.10x = 129,294,020,680.44
  5. Step 5: Solve for x
    x = 129,294,020,680.44/479,585.10
  6. Step 6: Final answer
    x = 269,595.57

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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.