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Finding the Fourth Proportional to 602,779.51, 831,846.27 and 330,872.84

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Solution

The fourth proportional to 602,779.51, 831,846.27 and 330,872.84 is: 456,610.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    602,779.51 : 831,846.27 = 330,872.84 : x
  2. Step 2: Convert to fraction form
    602,779.51/831,846.27 = 330,872.84/x
  3. Step 3: Cross multiply
    602,779.51x = 831,846.27 × 330,872.84
  4. Step 4: Simplify right side
    602,779.51x = 275,235,337,798.31
  5. Step 5: Solve for x
    x = 275,235,337,798.31/602,779.51
  6. Step 6: Final answer
    x = 456,610.31

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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.