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Finding the Fourth Proportional to 495,687, 743,529.04 and 140,701.32

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Solution

The fourth proportional to 495,687, 743,529.04 and 140,701.32 is: 211,051.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,687 : 743,529.04 = 140,701.32 : x
  2. Step 2: Convert to fraction form
    495,687/743,529.04 = 140,701.32/x
  3. Step 3: Cross multiply
    495,687x = 743,529.04 × 140,701.32
  4. Step 4: Simplify right side
    495,687x = 104,615,517,386.33
  5. Step 5: Solve for x
    x = 104,615,517,386.33/495,687
  6. Step 6: Final answer
    x = 211,051.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.