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Finding the Fourth Proportional to 946,442.84, 1,306,122 and 516,755.64

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Solution

The fourth proportional to 946,442.84, 1,306,122 and 516,755.64 is: 713,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,442.84 : 1,306,122 = 516,755.64 : x
  2. Step 2: Convert to fraction form
    946,442.84/1,306,122 = 516,755.64/x
  3. Step 3: Cross multiply
    946,442.84x = 1,306,122 × 516,755.64
  4. Step 4: Simplify right side
    946,442.84x = 674,945,910,028.08
  5. Step 5: Solve for x
    x = 674,945,910,028.08/946,442.84
  6. Step 6: Final answer
    x = 713,139.64

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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.