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Finding the Fourth Proportional to 454,779.71, 682,642.68 and 334,971.92

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Solution

The fourth proportional to 454,779.71, 682,642.68 and 334,971.92 is: 502,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,779.71 : 682,642.68 = 334,971.92 : x
  2. Step 2: Convert to fraction form
    454,779.71/682,642.68 = 334,971.92/x
  3. Step 3: Cross multiply
    454,779.71x = 682,642.68 × 334,971.92
  4. Step 4: Simplify right side
    454,779.71x = 228,666,129,193.55
  5. Step 5: Solve for x
    x = 228,666,129,193.55/454,779.71
  6. Step 6: Final answer
    x = 502,806.36

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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.