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Finding the Fourth Proportional to 459,322.66, 633,900.76 and 275,568.10

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Solution

The fourth proportional to 459,322.66, 633,900.76 and 275,568.10 is: 380,305.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,322.66 : 633,900.76 = 275,568.10 : x
  2. Step 2: Convert to fraction form
    459,322.66/633,900.76 = 275,568.10/x
  3. Step 3: Cross multiply
    459,322.66x = 633,900.76 × 275,568.10
  4. Step 4: Simplify right side
    459,322.66x = 174,682,828,021.76
  5. Step 5: Solve for x
    x = 174,682,828,021.76/459,322.66
  6. Step 6: Final answer
    x = 380,305.27

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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.