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Finding the Fourth Proportional to 495,378.44, 683,796.66 and 294,173

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Solution

The fourth proportional to 495,378.44, 683,796.66 and 294,173 is: 406,062.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,378.44 : 683,796.66 = 294,173 : x
  2. Step 2: Convert to fraction form
    495,378.44/683,796.66 = 294,173/x
  3. Step 3: Cross multiply
    495,378.44x = 683,796.66 × 294,173
  4. Step 4: Simplify right side
    495,378.44x = 201,154,514,862.18
  5. Step 5: Solve for x
    x = 201,154,514,862.18/495,378.44
  6. Step 6: Final answer
    x = 406,062.31

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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.