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Finding the Fourth Proportional to 567,842.75, 783,595.31 and 338,394.78

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Solution

The fourth proportional to 567,842.75, 783,595.31 and 338,394.78 is: 466,968.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,842.75 : 783,595.31 = 338,394.78 : x
  2. Step 2: Convert to fraction form
    567,842.75/783,595.31 = 338,394.78/x
  3. Step 3: Cross multiply
    567,842.75x = 783,595.31 × 338,394.78
  4. Step 4: Simplify right side
    567,842.75x = 265,164,560,844.51
  5. Step 5: Solve for x
    x = 265,164,560,844.51/567,842.75
  6. Step 6: Final answer
    x = 466,968.30

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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.