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Finding the Fourth Proportional to 403,152, 556,162.84 and 241,726.49

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Solution

The fourth proportional to 403,152, 556,162.84 and 241,726.49 is: 333,470.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,152 : 556,162.84 = 241,726.49 : x
  2. Step 2: Convert to fraction form
    403,152/556,162.84 = 241,726.49/x
  3. Step 3: Cross multiply
    403,152x = 556,162.84 × 241,726.49
  4. Step 4: Simplify right side
    403,152x = 134,439,291,181.63
  5. Step 5: Solve for x
    x = 134,439,291,181.63/403,152
  6. Step 6: Final answer
    x = 333,470.48

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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.