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Finding the Fourth Proportional to 495,577.80, 683,898.18 and 269,223.48

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Solution

The fourth proportional to 495,577.80, 683,898.18 and 269,223.48 is: 371,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,577.80 : 683,898.18 = 269,223.48 : x
  2. Step 2: Convert to fraction form
    495,577.80/683,898.18 = 269,223.48/x
  3. Step 3: Cross multiply
    495,577.80x = 683,898.18 × 269,223.48
  4. Step 4: Simplify right side
    495,577.80x = 184,121,447,985.27
  5. Step 5: Solve for x
    x = 184,121,447,985.27/495,577.80
  6. Step 6: Final answer
    x = 371,528.85

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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.