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Finding the Fourth Proportional to 542,429.58, 749,165.56 and 370,051.50

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Solution

The fourth proportional to 542,429.58, 749,165.56 and 370,051.50 is: 511,089.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    542,429.58 : 749,165.56 = 370,051.50 : x
  2. Step 2: Convert to fraction form
    542,429.58/749,165.56 = 370,051.50/x
  3. Step 3: Cross multiply
    542,429.58x = 749,165.56 × 370,051.50
  4. Step 4: Simplify right side
    542,429.58x = 277,229,839,226.34
  5. Step 5: Solve for x
    x = 277,229,839,226.34/542,429.58
  6. Step 6: Final answer
    x = 511,089.09

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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.