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Finding the Fourth Proportional to 295,339.79, 443,118.65 and 238,936.46

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Solution

The fourth proportional to 295,339.79, 443,118.65 and 238,936.46 is: 358,492.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,339.79 : 443,118.65 = 238,936.46 : x
  2. Step 2: Convert to fraction form
    295,339.79/443,118.65 = 238,936.46/x
  3. Step 3: Cross multiply
    295,339.79x = 443,118.65 × 238,936.46
  4. Step 4: Simplify right side
    295,339.79x = 105,877,201,590.98
  5. Step 5: Solve for x
    x = 105,877,201,590.98/295,339.79
  6. Step 6: Final answer
    x = 358,492.85

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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.