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Finding the Fourth Proportional to 295,257.80, 442,886.70 and 200,779.40

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Solution

The fourth proportional to 295,257.80, 442,886.70 and 200,779.40 is: 301,169.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,257.80 : 442,886.70 = 200,779.40 : x
  2. Step 2: Convert to fraction form
    295,257.80/442,886.70 = 200,779.40/x
  3. Step 3: Cross multiply
    295,257.80x = 442,886.70 × 200,779.40
  4. Step 4: Simplify right side
    295,257.80x = 88,922,525,893.98
  5. Step 5: Solve for x
    x = 88,922,525,893.98/295,257.80
  6. Step 6: Final answer
    x = 301,169.10

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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.