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Finding the Fourth Proportional to 454,017.44, 626,784.51 and 351,813.46

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Solution

The fourth proportional to 454,017.44, 626,784.51 and 351,813.46 is: 485,688.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,017.44 : 626,784.51 = 351,813.46 : x
  2. Step 2: Convert to fraction form
    454,017.44/626,784.51 = 351,813.46/x
  3. Step 3: Cross multiply
    454,017.44x = 626,784.51 × 351,813.46
  4. Step 4: Simplify right side
    454,017.44x = 220,511,228,065.07
  5. Step 5: Solve for x
    x = 220,511,228,065.07/454,017.44
  6. Step 6: Final answer
    x = 485,688.90

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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.