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Finding the Fourth Proportional to 567,745, 783,493.86 and 341,394.28

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Solution

The fourth proportional to 567,745, 783,493.86 and 341,394.28 is: 471,127.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,745 : 783,493.86 = 341,394.28 : x
  2. Step 2: Convert to fraction form
    567,745/783,493.86 = 341,394.28/x
  3. Step 3: Cross multiply
    567,745x = 783,493.86 × 341,394.28
  4. Step 4: Simplify right side
    567,745x = 267,480,322,219.12
  5. Step 5: Solve for x
    x = 267,480,322,219.12/567,745
  6. Step 6: Final answer
    x = 471,127.57

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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.