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Finding the Fourth Proportional to 495,693.72, 684,056.07 and 269,339.22

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Solution

The fourth proportional to 495,693.72, 684,056.07 and 269,339.22 is: 371,687.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,693.72 : 684,056.07 = 269,339.22 : x
  2. Step 2: Convert to fraction form
    495,693.72/684,056.07 = 269,339.22/x
  3. Step 3: Cross multiply
    495,693.72x = 684,056.07 × 269,339.22
  4. Step 4: Simplify right side
    495,693.72x = 184,243,128,330.07
  5. Step 5: Solve for x
    x = 184,243,128,330.07/495,693.72
  6. Step 6: Final answer
    x = 371,687.44

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Double scale
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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.