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Finding the Fourth Proportional to 537,262.76, 804,878.20 and 317,516.92

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Solution

The fourth proportional to 537,262.76, 804,878.20 and 317,516.92 is: 475,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,262.76 : 804,878.20 = 317,516.92 : x
  2. Step 2: Convert to fraction form
    537,262.76/804,878.20 = 317,516.92/x
  3. Step 3: Cross multiply
    537,262.76x = 804,878.20 × 317,516.92
  4. Step 4: Simplify right side
    537,262.76x = 255,562,447,039.14
  5. Step 5: Solve for x
    x = 255,562,447,039.14/537,262.76
  6. Step 6: Final answer
    x = 475,674.97

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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.