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Finding the Fourth Proportional to 458,405.04, 632,589 and 254,443.92

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Solution

The fourth proportional to 458,405.04, 632,589 and 254,443.92 is: 351,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,405.04 : 632,589 = 254,443.92 : x
  2. Step 2: Convert to fraction form
    458,405.04/632,589 = 254,443.92/x
  3. Step 3: Cross multiply
    458,405.04x = 632,589 × 254,443.92
  4. Step 4: Simplify right side
    458,405.04x = 160,958,424,908.88
  5. Step 5: Solve for x
    x = 160,958,424,908.88/458,405.04
  6. Step 6: Final answer
    x = 351,127.08

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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.