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Finding the Fourth Proportional to 357,403.44, 535,947.71 and 167,917.67

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Solution

The fourth proportional to 357,403.44, 535,947.71 and 167,917.67 is: 251,802.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    357,403.44 : 535,947.71 = 167,917.67 : x
  2. Step 2: Convert to fraction form
    357,403.44/535,947.71 = 167,917.67/x
  3. Step 3: Cross multiply
    357,403.44x = 535,947.71 × 167,917.67
  4. Step 4: Simplify right side
    357,403.44x = 89,995,087,185.71
  5. Step 5: Solve for x
    x = 89,995,087,185.71/357,403.44
  6. Step 6: Final answer
    x = 251,802.52

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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.