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Finding the Fourth Proportional to 439,454.50, 606,374.31 and 276,085.60

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Solution

The fourth proportional to 439,454.50, 606,374.31 and 276,085.60 is: 380,952.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,454.50 : 606,374.31 = 276,085.60 : x
  2. Step 2: Convert to fraction form
    439,454.50/606,374.31 = 276,085.60/x
  3. Step 3: Cross multiply
    439,454.50x = 606,374.31 × 276,085.60
  4. Step 4: Simplify right side
    439,454.50x = 167,411,215,200.94
  5. Step 5: Solve for x
    x = 167,411,215,200.94/439,454.50
  6. Step 6: Final answer
    x = 380,952.33

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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.