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Finding the Fourth Proportional to 295,556.70, 407,545.68 and 199,897.32

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Solution

The fourth proportional to 295,556.70, 407,545.68 and 199,897.32 is: 275,640.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,556.70 : 407,545.68 = 199,897.32 : x
  2. Step 2: Convert to fraction form
    295,556.70/407,545.68 = 199,897.32/x
  3. Step 3: Cross multiply
    295,556.70x = 407,545.68 × 199,897.32
  4. Step 4: Simplify right side
    295,556.70x = 81,467,289,209.58
  5. Step 5: Solve for x
    x = 81,467,289,209.58/295,556.70
  6. Step 6: Final answer
    x = 275,640.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.