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Finding the Fourth Proportional to 459,170.68, 688,763 and 174,876.95

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Solution

The fourth proportional to 459,170.68, 688,763 and 174,876.95 is: 262,318.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,170.68 : 688,763 = 174,876.95 : x
  2. Step 2: Convert to fraction form
    459,170.68/688,763 = 174,876.95/x
  3. Step 3: Cross multiply
    459,170.68x = 688,763 × 174,876.95
  4. Step 4: Simplify right side
    459,170.68x = 120,448,772,712.85
  5. Step 5: Solve for x
    x = 120,448,772,712.85/459,170.68
  6. Step 6: Final answer
    x = 262,318.08

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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.