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Finding the Fourth Proportional to 345,104.76, 517,708.14 and 176,720.28

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Solution

The fourth proportional to 345,104.76, 517,708.14 and 176,720.28 is: 265,106.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,104.76 : 517,708.14 = 176,720.28 : x
  2. Step 2: Convert to fraction form
    345,104.76/517,708.14 = 176,720.28/x
  3. Step 3: Cross multiply
    345,104.76x = 517,708.14 × 176,720.28
  4. Step 4: Simplify right side
    345,104.76x = 91,489,527,459.08
  5. Step 5: Solve for x
    x = 91,489,527,459.08/345,104.76
  6. Step 6: Final answer
    x = 265,106.54

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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.