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Finding the Fourth Proportional to 461,492.80, 692,548.80 and 161,972.80

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Solution

The fourth proportional to 461,492.80, 692,548.80 and 161,972.80 is: 243,067.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,492.80 : 692,548.80 = 161,972.80 : x
  2. Step 2: Convert to fraction form
    461,492.80/692,548.80 = 161,972.80/x
  3. Step 3: Cross multiply
    461,492.80x = 692,548.80 × 161,972.80
  4. Step 4: Simplify right side
    461,492.80x = 112,174,068,272.64
  5. Step 5: Solve for x
    x = 112,174,068,272.64/461,492.80
  6. Step 6: Final answer
    x = 243,067.86

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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.