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Finding the Fourth Proportional to 633,653.18, 874,407.94 and 361,710.26

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Solution

The fourth proportional to 633,653.18, 874,407.94 and 361,710.26 is: 499,141.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,653.18 : 874,407.94 = 361,710.26 : x
  2. Step 2: Convert to fraction form
    633,653.18/874,407.94 = 361,710.26/x
  3. Step 3: Cross multiply
    633,653.18x = 874,407.94 × 361,710.26
  4. Step 4: Simplify right side
    633,653.18x = 316,282,317,142.87
  5. Step 5: Solve for x
    x = 316,282,317,142.87/633,653.18
  6. Step 6: Final answer
    x = 499,141.06

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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.