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Finding the Fourth Proportional to 683,597.97, 943,301.56 and 397,113.93

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Solution

The fourth proportional to 683,597.97, 943,301.56 and 397,113.93 is: 547,980.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,597.97 : 943,301.56 = 397,113.93 : x
  2. Step 2: Convert to fraction form
    683,597.97/943,301.56 = 397,113.93/x
  3. Step 3: Cross multiply
    683,597.97x = 943,301.56 × 397,113.93
  4. Step 4: Simplify right side
    683,597.97x = 374,598,189,666.73
  5. Step 5: Solve for x
    x = 374,598,189,666.73/683,597.97
  6. Step 6: Final answer
    x = 547,980.25

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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.