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Finding the Fourth Proportional to 682,833.39, 942,304.88 and 376,909.74

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Solution

The fourth proportional to 682,833.39, 942,304.88 and 376,909.74 is: 520,132.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,833.39 : 942,304.88 = 376,909.74 : x
  2. Step 2: Convert to fraction form
    682,833.39/942,304.88 = 376,909.74/x
  3. Step 3: Cross multiply
    682,833.39x = 942,304.88 × 376,909.74
  4. Step 4: Simplify right side
    682,833.39x = 355,163,885,436.98
  5. Step 5: Solve for x
    x = 355,163,885,436.98/682,833.39
  6. Step 6: Final answer
    x = 520,132.57

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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.