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Finding the Fourth Proportional to 585,417.88, 878,126.82 and 164,693.56

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Solution

The fourth proportional to 585,417.88, 878,126.82 and 164,693.56 is: 247,040.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,417.88 : 878,126.82 = 164,693.56 : x
  2. Step 2: Convert to fraction form
    585,417.88/878,126.82 = 164,693.56/x
  3. Step 3: Cross multiply
    585,417.88x = 878,126.82 × 164,693.56
  4. Step 4: Simplify right side
    585,417.88x = 144,621,832,117.28
  5. Step 5: Solve for x
    x = 144,621,832,117.28/585,417.88
  6. Step 6: Final answer
    x = 247,040.34

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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.