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Finding the Fourth Proportional to 567,773.58, 783,528.29 and 309,651.09

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Solution

The fourth proportional to 567,773.58, 783,528.29 and 309,651.09 is: 427,318.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,773.58 : 783,528.29 = 309,651.09 : x
  2. Step 2: Convert to fraction form
    567,773.58/783,528.29 = 309,651.09/x
  3. Step 3: Cross multiply
    567,773.58x = 783,528.29 × 309,651.09
  4. Step 4: Simplify right side
    567,773.58x = 242,620,389,044.34
  5. Step 5: Solve for x
    x = 242,620,389,044.34/567,773.58
  6. Step 6: Final answer
    x = 427,318.91

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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.