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Finding the Fourth Proportional to 671,366.68, 926,510.46 and 365,428.24

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Solution

The fourth proportional to 671,366.68, 926,510.46 and 365,428.24 is: 504,304.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    671,366.68 : 926,510.46 = 365,428.24 : x
  2. Step 2: Convert to fraction form
    671,366.68/926,510.46 = 365,428.24/x
  3. Step 3: Cross multiply
    671,366.68x = 926,510.46 × 365,428.24
  4. Step 4: Simplify right side
    671,366.68x = 338,573,086,739.39
  5. Step 5: Solve for x
    x = 338,573,086,739.39/671,366.68
  6. Step 6: Final answer
    x = 504,304.27

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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.