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Finding the Fourth Proportional to 262,126.90, 361,495.08 and 194,312.80

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Solution

The fourth proportional to 262,126.90, 361,495.08 and 194,312.80 is: 267,973.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    262,126.90 : 361,495.08 = 194,312.80 : x
  2. Step 2: Convert to fraction form
    262,126.90/361,495.08 = 194,312.80/x
  3. Step 3: Cross multiply
    262,126.90x = 361,495.08 × 194,312.80
  4. Step 4: Simplify right side
    262,126.90x = 70,243,121,181.02
  5. Step 5: Solve for x
    x = 70,243,121,181.02/262,126.90
  6. Step 6: Final answer
    x = 267,973.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.