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Finding the Fourth Proportional to 683,686.01, 943,481.18 and 377,761.16

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Solution

The fourth proportional to 683,686.01, 943,481.18 and 377,761.16 is: 521,307.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,686.01 : 943,481.18 = 377,761.16 : x
  2. Step 2: Convert to fraction form
    683,686.01/943,481.18 = 377,761.16/x
  3. Step 3: Cross multiply
    683,686.01x = 943,481.18 × 377,761.16
  4. Step 4: Simplify right side
    683,686.01x = 356,410,548,298.08
  5. Step 5: Solve for x
    x = 356,410,548,298.08/683,686.01
  6. Step 6: Final answer
    x = 521,307.36

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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.