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Finding the Fourth Proportional to 497,502.40, 746,033.44 and 142,435.52

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Solution

The fourth proportional to 497,502.40, 746,033.44 and 142,435.52 is: 213,590.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,502.40 : 746,033.44 = 142,435.52 : x
  2. Step 2: Convert to fraction form
    497,502.40/746,033.44 = 142,435.52/x
  3. Step 3: Cross multiply
    497,502.40x = 746,033.44 × 142,435.52
  4. Step 4: Simplify right side
    497,502.40x = 106,261,660,963.79
  5. Step 5: Solve for x
    x = 106,261,660,963.79/497,502.40
  6. Step 6: Final answer
    x = 213,590.25

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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.