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Finding the Fourth Proportional to 537,710.40, 805,593.60 and 312,886.80

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Solution

The fourth proportional to 537,710.40, 805,593.60 and 312,886.80 is: 468,764.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,710.40 : 805,593.60 = 312,886.80 : x
  2. Step 2: Convert to fraction form
    537,710.40/805,593.60 = 312,886.80/x
  3. Step 3: Cross multiply
    537,710.40x = 805,593.60 × 312,886.80
  4. Step 4: Simplify right side
    537,710.40x = 252,059,603,604.48
  5. Step 5: Solve for x
    x = 252,059,603,604.48/537,710.40
  6. Step 6: Final answer
    x = 468,764.61

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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.