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Finding the Fourth Proportional to 295,666.80, 443,648.76 and 137,907.60

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Solution

The fourth proportional to 295,666.80, 443,648.76 and 137,907.60 is: 206,930.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    295,666.80 : 443,648.76 = 137,907.60 : x
  2. Step 2: Convert to fraction form
    295,666.80/443,648.76 = 137,907.60/x
  3. Step 3: Cross multiply
    295,666.80x = 443,648.76 × 137,907.60
  4. Step 4: Simplify right side
    295,666.80x = 61,182,535,734.58
  5. Step 5: Solve for x
    x = 61,182,535,734.58/295,666.80
  6. Step 6: Final answer
    x = 206,930.69

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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.