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Finding the Fourth Proportional to 318,370.59, 439,344.09 and 175,127.58

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Solution

The fourth proportional to 318,370.59, 439,344.09 and 175,127.58 is: 241,672.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,370.59 : 439,344.09 = 175,127.58 : x
  2. Step 2: Convert to fraction form
    318,370.59/439,344.09 = 175,127.58/x
  3. Step 3: Cross multiply
    318,370.59x = 439,344.09 × 175,127.58
  4. Step 4: Simplify right side
    318,370.59x = 76,941,267,269.00
  5. Step 5: Solve for x
    x = 76,941,267,269.00/318,370.59
  6. Step 6: Final answer
    x = 241,672.03

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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.