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Finding the Fourth Proportional to 495,706.98, 684,074.30 and 269,352.48

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Solution

The fourth proportional to 495,706.98, 684,074.30 and 269,352.48 is: 371,705.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,706.98 : 684,074.30 = 269,352.48 : x
  2. Step 2: Convert to fraction form
    495,706.98/684,074.30 = 269,352.48/x
  3. Step 3: Cross multiply
    495,706.98x = 684,074.30 × 269,352.48
  4. Step 4: Simplify right side
    495,706.98x = 184,257,109,209.26
  5. Step 5: Solve for x
    x = 184,257,109,209.26/495,706.98
  6. Step 6: Final answer
    x = 371,705.70

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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.