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Finding the Fourth Proportional to 295,603.10, 443,404.65 and 201,124.70

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Solution

The fourth proportional to 295,603.10, 443,404.65 and 201,124.70 is: 301,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,603.10 : 443,404.65 = 201,124.70 : x
  2. Step 2: Convert to fraction form
    295,603.10/443,404.65 = 201,124.70/x
  3. Step 3: Cross multiply
    295,603.10x = 443,404.65 × 201,124.70
  4. Step 4: Simplify right side
    295,603.10x = 89,179,627,209.86
  5. Step 5: Solve for x
    x = 89,179,627,209.86/295,603.10
  6. Step 6: Final answer
    x = 301,687.05

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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.