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Finding the Fourth Proportional to 295,796.70, 443,973.45 and 155,655.90

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Solution

The fourth proportional to 295,796.70, 443,973.45 and 155,655.90 is: 233,630.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,796.70 : 443,973.45 = 155,655.90 : x
  2. Step 2: Convert to fraction form
    295,796.70/443,973.45 = 155,655.90/x
  3. Step 3: Cross multiply
    295,796.70x = 443,973.45 × 155,655.90
  4. Step 4: Simplify right side
    295,796.70x = 69,107,086,935.86
  5. Step 5: Solve for x
    x = 69,107,086,935.86/295,796.70
  6. Step 6: Final answer
    x = 233,630.35

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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.