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Finding the Fourth Proportional to 650,338.12, 980,381.60 and 606,986.92

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Solution

The fourth proportional to 650,338.12, 980,381.60 and 606,986.92 is: 915,029.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,338.12 : 980,381.60 = 606,986.92 : x
  2. Step 2: Convert to fraction form
    650,338.12/980,381.60 = 606,986.92/x
  3. Step 3: Cross multiply
    650,338.12x = 980,381.60 × 606,986.92
  4. Step 4: Simplify right side
    650,338.12x = 595,078,807,808.67
  5. Step 5: Solve for x
    x = 595,078,807,808.67/650,338.12
  6. Step 6: Final answer
    x = 915,029.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.