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Finding the Fourth Proportional to 462,090.80, 693,157.80 and 146,572.40

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Solution

The fourth proportional to 462,090.80, 693,157.80 and 146,572.40 is: 219,865.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,090.80 : 693,157.80 = 146,572.40 : x
  2. Step 2: Convert to fraction form
    462,090.80/693,157.80 = 146,572.40/x
  3. Step 3: Cross multiply
    462,090.80x = 693,157.80 × 146,572.40
  4. Step 4: Simplify right side
    462,090.80x = 101,597,802,324.72
  5. Step 5: Solve for x
    x = 101,597,802,324.72/462,090.80
  6. Step 6: Final answer
    x = 219,865.45

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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.