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Finding the Fourth Proportional to 580,454.63, 868,429.33 and 508,838.58

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Solution

The fourth proportional to 580,454.63, 868,429.33 and 508,838.58 is: 761,283.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,454.63 : 868,429.33 = 508,838.58 : x
  2. Step 2: Convert to fraction form
    580,454.63/868,429.33 = 508,838.58/x
  3. Step 3: Cross multiply
    580,454.63x = 868,429.33 × 508,838.58
  4. Step 4: Simplify right side
    580,454.63x = 441,890,347,107.55
  5. Step 5: Solve for x
    x = 441,890,347,107.55/580,454.63
  6. Step 6: Final answer
    x = 761,283.18

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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.