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Finding the Fourth Proportional to 682,887.46, 942,436.88 and 377,022.76

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Solution

The fourth proportional to 682,887.46, 942,436.88 and 377,022.76 is: 520,320.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    682,887.46 : 942,436.88 = 377,022.76 : x
  2. Step 2: Convert to fraction form
    682,887.46/942,436.88 = 377,022.76/x
  3. Step 3: Cross multiply
    682,887.46x = 942,436.88 × 377,022.76
  4. Step 4: Simplify right side
    682,887.46x = 355,320,153,623.39
  5. Step 5: Solve for x
    x = 355,320,153,623.39/682,887.46
  6. Step 6: Final answer
    x = 520,320.22

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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.