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Finding the Fourth Proportional to 682,825, 942,298.58 and 376,901.48

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Solution

The fourth proportional to 682,825, 942,298.58 and 376,901.48 is: 520,124.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,825 : 942,298.58 = 376,901.48 : x
  2. Step 2: Convert to fraction form
    682,825/942,298.58 = 376,901.48/x
  3. Step 3: Cross multiply
    682,825x = 942,298.58 × 376,901.48
  4. Step 4: Simplify right side
    682,825x = 355,153,729,403.90
  5. Step 5: Solve for x
    x = 355,153,729,403.90/682,825
  6. Step 6: Final answer
    x = 520,124.09

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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.