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Finding the Fourth Proportional to 495,433.80, 682,144.74 and 437,230.44

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Solution

The fourth proportional to 495,433.80, 682,144.74 and 437,230.44 is: 602,006.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,433.80 : 682,144.74 = 437,230.44 : x
  2. Step 2: Convert to fraction form
    495,433.80/682,144.74 = 437,230.44/x
  3. Step 3: Cross multiply
    495,433.80x = 682,144.74 × 437,230.44
  4. Step 4: Simplify right side
    495,433.80x = 298,254,444,813.89
  5. Step 5: Solve for x
    x = 298,254,444,813.89/495,433.80
  6. Step 6: Final answer
    x = 602,006.66

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1.5x scale

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.