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Finding the Fourth Proportional to 459,477.87, 633,986.39 and 268,454.35

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Solution

The fourth proportional to 459,477.87, 633,986.39 and 268,454.35 is: 370,412.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,477.87 : 633,986.39 = 268,454.35 : x
  2. Step 2: Convert to fraction form
    459,477.87/633,986.39 = 268,454.35/x
  3. Step 3: Cross multiply
    459,477.87x = 633,986.39 × 268,454.35
  4. Step 4: Simplify right side
    459,477.87x = 170,196,405,699.92
  5. Step 5: Solve for x
    x = 170,196,405,699.92/459,477.87
  6. Step 6: Final answer
    x = 370,412.63

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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.