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Finding the Fourth Proportional to 492,051.90, 737,613.45 and 267,080.70

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Solution

The fourth proportional to 492,051.90, 737,613.45 and 267,080.70 is: 400,368.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,051.90 : 737,613.45 = 267,080.70 : x
  2. Step 2: Convert to fraction form
    492,051.90/737,613.45 = 267,080.70/x
  3. Step 3: Cross multiply
    492,051.90x = 737,613.45 × 267,080.70
  4. Step 4: Simplify right side
    492,051.90x = 197,002,316,555.42
  5. Step 5: Solve for x
    x = 197,002,316,555.42/492,051.90
  6. Step 6: Final answer
    x = 400,368.98

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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.