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Finding the Fourth Proportional to 429,441.72, 592,676.94 and 245,697.36

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Solution

The fourth proportional to 429,441.72, 592,676.94 and 245,697.36 is: 339,089.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,441.72 : 592,676.94 = 245,697.36 : x
  2. Step 2: Convert to fraction form
    429,441.72/592,676.94 = 245,697.36/x
  3. Step 3: Cross multiply
    429,441.72x = 592,676.94 × 245,697.36
  4. Step 4: Simplify right side
    429,441.72x = 145,619,159,490.88
  5. Step 5: Solve for x
    x = 145,619,159,490.88/429,441.72
  6. Step 6: Final answer
    x = 339,089.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.