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Finding the Fourth Proportional to 295,556.50, 407,870.56 and 168,240.28

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Solution

The fourth proportional to 295,556.50, 407,870.56 and 168,240.28 is: 232,173.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,556.50 : 407,870.56 = 168,240.28 : x
  2. Step 2: Convert to fraction form
    295,556.50/407,870.56 = 168,240.28/x
  3. Step 3: Cross multiply
    295,556.50x = 407,870.56 × 168,240.28
  4. Step 4: Simplify right side
    295,556.50x = 68,620,257,218.16
  5. Step 5: Solve for x
    x = 68,620,257,218.16/295,556.50
  6. Step 6: Final answer
    x = 232,173.06

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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.