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Finding the Fourth Proportional to 193,048.40, 289,054.20 and 193,048.40

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Solution

The fourth proportional to 193,048.40, 289,054.20 and 193,048.40 is: 289,054.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    193,048.40 : 289,054.20 = 193,048.40 : x
  2. Step 2: Convert to fraction form
    193,048.40/289,054.20 = 193,048.40/x
  3. Step 3: Cross multiply
    193,048.40x = 289,054.20 × 193,048.40
  4. Step 4: Simplify right side
    193,048.40x = 55,801,450,823.28
  5. Step 5: Solve for x
    x = 55,801,450,823.28/193,048.40
  6. Step 6: Final answer
    x = 289,054.20

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1.5x scale

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.