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Finding the Fourth Proportional to 495,786.88, 684,185.60 and 269,432.40

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Solution

The fourth proportional to 495,786.88, 684,185.60 and 269,432.40 is: 371,816.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,786.88 : 684,185.60 = 269,432.40 : x
  2. Step 2: Convert to fraction form
    495,786.88/684,185.60 = 269,432.40/x
  3. Step 3: Cross multiply
    495,786.88x = 684,185.60 × 269,432.40
  4. Step 4: Simplify right side
    495,786.88x = 184,341,768,253.44
  5. Step 5: Solve for x
    x = 184,341,768,253.44/495,786.88
  6. Step 6: Final answer
    x = 371,816.55

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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.