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Finding the Fourth Proportional to 495,463.68, 683,742.72 and 269,111.04

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Solution

The fourth proportional to 495,463.68, 683,742.72 and 269,111.04 is: 371,374.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,463.68 : 683,742.72 = 269,111.04 : x
  2. Step 2: Convert to fraction form
    495,463.68/683,742.72 = 269,111.04/x
  3. Step 3: Cross multiply
    495,463.68x = 683,742.72 × 269,111.04
  4. Step 4: Simplify right side
    495,463.68x = 184,002,714,471.63
  5. Step 5: Solve for x
    x = 184,002,714,471.63/495,463.68
  6. Step 6: Final answer
    x = 371,374.78

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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.