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Finding the Fourth Proportional to 318,751.04, 439,879.68 and 175,524.38

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Solution

The fourth proportional to 318,751.04, 439,879.68 and 175,524.38 is: 242,225.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,751.04 : 439,879.68 = 175,524.38 : x
  2. Step 2: Convert to fraction form
    318,751.04/439,879.68 = 175,524.38/x
  3. Step 3: Cross multiply
    318,751.04x = 439,879.68 × 175,524.38
  4. Step 4: Simplify right side
    318,751.04x = 77,209,608,106.60
  5. Step 5: Solve for x
    x = 77,209,608,106.60/318,751.04
  6. Step 6: Final answer
    x = 242,225.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.