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Finding the Fourth Proportional to 324,545.70, 486,873.93 and 144,696.39

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Solution

The fourth proportional to 324,545.70, 486,873.93 and 144,696.39 is: 217,069.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,545.70 : 486,873.93 = 144,696.39 : x
  2. Step 2: Convert to fraction form
    324,545.70/486,873.93 = 144,696.39/x
  3. Step 3: Cross multiply
    324,545.70x = 486,873.93 × 144,696.39
  4. Step 4: Simplify right side
    324,545.70x = 70,448,900,056.11
  5. Step 5: Solve for x
    x = 70,448,900,056.11/324,545.70
  6. Step 6: Final answer
    x = 217,069.28

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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.