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Finding the Fourth Proportional to 495,614.28, 683,950.98 and 269,259.72

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Solution

The fourth proportional to 495,614.28, 683,950.98 and 269,259.72 is: 371,580.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,614.28 : 683,950.98 = 269,259.72 : x
  2. Step 2: Convert to fraction form
    495,614.28/683,950.98 = 269,259.72/x
  3. Step 3: Cross multiply
    495,614.28x = 683,950.98 × 269,259.72
  4. Step 4: Simplify right side
    495,614.28x = 184,160,449,368.53
  5. Step 5: Solve for x
    x = 184,160,449,368.53/495,614.28
  6. Step 6: Final answer
    x = 371,580.19

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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.