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Finding the Fourth Proportional to 567,341.20, 782,711.40 and 325,536.40

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Solution

The fourth proportional to 567,341.20, 782,711.40 and 325,536.40 is: 449,114.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,341.20 : 782,711.40 = 325,536.40 : x
  2. Step 2: Convert to fraction form
    567,341.20/782,711.40 = 325,536.40/x
  3. Step 3: Cross multiply
    567,341.20x = 782,711.40 × 325,536.40
  4. Step 4: Simplify right side
    567,341.20x = 254,801,051,394.96
  5. Step 5: Solve for x
    x = 254,801,051,394.96/567,341.20
  6. Step 6: Final answer
    x = 449,114.31

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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.