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Finding the Fourth Proportional to 451,482.09, 623,057.13 and 255,232.95

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Solution

The fourth proportional to 451,482.09, 623,057.13 and 255,232.95 is: 352,228.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,482.09 : 623,057.13 = 255,232.95 : x
  2. Step 2: Convert to fraction form
    451,482.09/623,057.13 = 255,232.95/x
  3. Step 3: Cross multiply
    451,482.09x = 623,057.13 × 255,232.95
  4. Step 4: Simplify right side
    451,482.09x = 159,024,709,308.43
  5. Step 5: Solve for x
    x = 159,024,709,308.43/451,482.09
  6. Step 6: Final answer
    x = 352,228.17

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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.