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Finding the Fourth Proportional to 495,713.96, 684,083.98 and 269,359.48

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Solution

The fourth proportional to 495,713.96, 684,083.98 and 269,359.48 is: 371,715.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,713.96 : 684,083.98 = 269,359.48 : x
  2. Step 2: Convert to fraction form
    495,713.96/684,083.98 = 269,359.48/x
  3. Step 3: Cross multiply
    495,713.96x = 684,083.98 × 269,359.48
  4. Step 4: Simplify right side
    495,713.96x = 184,264,505,129.13
  5. Step 5: Solve for x
    x = 184,264,505,129.13/495,713.96
  6. Step 6: Final answer
    x = 371,715.38

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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.