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Finding the Fourth Proportional to 536,322.40, 804,779.10 and 326,107.96

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Solution

The fourth proportional to 536,322.40, 804,779.10 and 326,107.96 is: 489,341.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,322.40 : 804,779.10 = 326,107.96 : x
  2. Step 2: Convert to fraction form
    536,322.40/804,779.10 = 326,107.96/x
  3. Step 3: Cross multiply
    536,322.40x = 804,779.10 × 326,107.96
  4. Step 4: Simplify right side
    536,322.40x = 262,444,870,551.64
  5. Step 5: Solve for x
    x = 262,444,870,551.64/536,322.40
  6. Step 6: Final answer
    x = 489,341.62

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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.