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Finding the Fourth Proportional to 318,841.58, 440,021.27 and 175,601.58

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Solution

The fourth proportional to 318,841.58, 440,021.27 and 175,601.58 is: 242,341.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,841.58 : 440,021.27 = 175,601.58 : x
  2. Step 2: Convert to fraction form
    318,841.58/440,021.27 = 175,601.58/x
  3. Step 3: Cross multiply
    318,841.58x = 440,021.27 × 175,601.58
  4. Step 4: Simplify right side
    318,841.58x = 77,268,430,245.61
  5. Step 5: Solve for x
    x = 77,268,430,245.61/318,841.58
  6. Step 6: Final answer
    x = 242,341.13

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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.