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Finding the Fourth Proportional to 459,493.83, 634,007.79 and 268,470.32

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Solution

The fourth proportional to 459,493.83, 634,007.79 and 268,470.32 is: 370,434.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,493.83 : 634,007.79 = 268,470.32 : x
  2. Step 2: Convert to fraction form
    459,493.83/634,007.79 = 268,470.32/x
  3. Step 3: Cross multiply
    459,493.83x = 634,007.79 × 268,470.32
  4. Step 4: Simplify right side
    459,493.83x = 170,212,271,093.75
  5. Step 5: Solve for x
    x = 170,212,271,093.75/459,493.83
  6. Step 6: Final answer
    x = 370,434.29

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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.