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Finding the Fourth Proportional to 908,314.96, 1,363,506 and 459,542.56

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Solution

The fourth proportional to 908,314.96, 1,363,506 and 459,542.56 is: 689,836.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,314.96 : 1,363,506 = 459,542.56 : x
  2. Step 2: Convert to fraction form
    908,314.96/1,363,506 = 459,542.56/x
  3. Step 3: Cross multiply
    908,314.96x = 1,363,506 × 459,542.56
  4. Step 4: Simplify right side
    908,314.96x = 626,589,037,815.36
  5. Step 5: Solve for x
    x = 626,589,037,815.36/908,314.96
  6. Step 6: Final answer
    x = 689,836.75

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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.