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Finding the Fourth Proportional to 295,496.15, 443,348.95 and 145,841.49

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Solution

The fourth proportional to 295,496.15, 443,348.95 and 145,841.49 is: 218,813.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,496.15 : 443,348.95 = 145,841.49 : x
  2. Step 2: Convert to fraction form
    295,496.15/443,348.95 = 145,841.49/x
  3. Step 3: Cross multiply
    295,496.15x = 443,348.95 × 145,841.49
  4. Step 4: Simplify right side
    295,496.15x = 64,658,672,201.70
  5. Step 5: Solve for x
    x = 64,658,672,201.70/295,496.15
  6. Step 6: Final answer
    x = 218,813.93

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1.5x scale

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.