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Finding the Fourth Proportional to 459,782.82, 634,405.23 and 268,759.26

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Solution

The fourth proportional to 459,782.82, 634,405.23 and 268,759.26 is: 370,832.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,782.82 : 634,405.23 = 268,759.26 : x
  2. Step 2: Convert to fraction form
    459,782.82/634,405.23 = 268,759.26/x
  3. Step 3: Cross multiply
    459,782.82x = 634,405.23 × 268,759.26
  4. Step 4: Simplify right side
    459,782.82x = 170,502,280,154.93
  5. Step 5: Solve for x
    x = 170,502,280,154.93/459,782.82
  6. Step 6: Final answer
    x = 370,832.21

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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.