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Finding the Fourth Proportional to 318,182.32, 439,087.66 and 174,941.11

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Solution

The fourth proportional to 318,182.32, 439,087.66 and 174,941.11 is: 241,416.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,182.32 : 439,087.66 = 174,941.11 : x
  2. Step 2: Convert to fraction form
    318,182.32/439,087.66 = 174,941.11/x
  3. Step 3: Cross multiply
    318,182.32x = 439,087.66 × 174,941.11
  4. Step 4: Simplify right side
    318,182.32x = 76,814,482,627.70
  5. Step 5: Solve for x
    x = 76,814,482,627.70/318,182.32
  6. Step 6: Final answer
    x = 241,416.56

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1.5x scale

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.