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Finding the Fourth Proportional to 502,563.63, 753,956.64 and 165,590.67

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Solution

The fourth proportional to 502,563.63, 753,956.64 and 165,590.67 is: 248,422.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,563.63 : 753,956.64 = 165,590.67 : x
  2. Step 2: Convert to fraction form
    502,563.63/753,956.64 = 165,590.67/x
  3. Step 3: Cross multiply
    502,563.63x = 753,956.64 × 165,590.67
  4. Step 4: Simplify right side
    502,563.63x = 124,848,185,168.55
  5. Step 5: Solve for x
    x = 124,848,185,168.55/502,563.63
  6. Step 6: Final answer
    x = 248,422.64

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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.