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Finding the Fourth Proportional to 495,716.96, 684,088.12 and 269,362.48

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Solution

The fourth proportional to 495,716.96, 684,088.12 and 269,362.48 is: 371,719.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,716.96 : 684,088.12 = 269,362.48 : x
  2. Step 2: Convert to fraction form
    495,716.96/684,088.12 = 269,362.48/x
  3. Step 3: Cross multiply
    495,716.96x = 684,088.12 × 269,362.48
  4. Step 4: Simplify right side
    495,716.96x = 184,267,672,541.74
  5. Step 5: Solve for x
    x = 184,267,672,541.74/495,716.96
  6. Step 6: Final answer
    x = 371,719.52

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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.