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Finding the Fourth Proportional to 407,615.56, 611,225.83 and 170,894.68

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Solution

The fourth proportional to 407,615.56, 611,225.83 and 170,894.68 is: 256,259.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,615.56 : 611,225.83 = 170,894.68 : x
  2. Step 2: Convert to fraction form
    407,615.56/611,225.83 = 170,894.68/x
  3. Step 3: Cross multiply
    407,615.56x = 611,225.83 × 170,894.68
  4. Step 4: Simplify right side
    407,615.56x = 104,455,242,625.58
  5. Step 5: Solve for x
    x = 104,455,242,625.58/407,615.56
  6. Step 6: Final answer
    x = 256,259.21

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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.