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Finding the Fourth Proportional to 458,753.12, 633,387.84 and 351,131.12

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Solution

The fourth proportional to 458,753.12, 633,387.84 and 351,131.12 is: 484,797.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,753.12 : 633,387.84 = 351,131.12 : x
  2. Step 2: Convert to fraction form
    458,753.12/633,387.84 = 351,131.12/x
  3. Step 3: Cross multiply
    458,753.12x = 633,387.84 × 351,131.12
  4. Step 4: Simplify right side
    458,753.12x = 222,402,181,653.58
  5. Step 5: Solve for x
    x = 222,402,181,653.58/458,753.12
  6. Step 6: Final answer
    x = 484,797.10

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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.