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Finding the Fourth Proportional to 581,881.80, 803,006.67 and 323,779.35

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Solution

The fourth proportional to 581,881.80, 803,006.67 and 323,779.35 is: 446,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,881.80 : 803,006.67 = 323,779.35 : x
  2. Step 2: Convert to fraction form
    581,881.80/803,006.67 = 323,779.35/x
  3. Step 3: Cross multiply
    581,881.80x = 803,006.67 × 323,779.35
  4. Step 4: Simplify right side
    581,881.80x = 259,996,977,658.27
  5. Step 5: Solve for x
    x = 259,996,977,658.27/581,881.80
  6. Step 6: Final answer
    x = 446,820.95

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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.