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Finding the Fourth Proportional to 460,568.40, 690,945.74 and 194,329.48

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Solution

The fourth proportional to 460,568.40, 690,945.74 and 194,329.48 is: 291,533.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,568.40 : 690,945.74 = 194,329.48 : x
  2. Step 2: Convert to fraction form
    460,568.40/690,945.74 = 194,329.48/x
  3. Step 3: Cross multiply
    460,568.40x = 690,945.74 × 194,329.48
  4. Step 4: Simplify right side
    460,568.40x = 134,271,126,362.42
  5. Step 5: Solve for x
    x = 134,271,126,362.42/460,568.40
  6. Step 6: Final answer
    x = 291,533.52

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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.