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Finding the Fourth Proportional to 453,004.60, 679,507.02 and 133,156.48

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Solution

The fourth proportional to 453,004.60, 679,507.02 and 133,156.48 is: 199,734.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,004.60 : 679,507.02 = 133,156.48 : x
  2. Step 2: Convert to fraction form
    453,004.60/679,507.02 = 133,156.48/x
  3. Step 3: Cross multiply
    453,004.60x = 679,507.02 × 133,156.48
  4. Step 4: Simplify right side
    453,004.60x = 90,480,762,918.49
  5. Step 5: Solve for x
    x = 90,480,762,918.49/453,004.60
  6. Step 6: Final answer
    x = 199,734.76

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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.