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Finding the Fourth Proportional to 318,193.86, 439,109.18 and 174,963.14

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Solution

The fourth proportional to 318,193.86, 439,109.18 and 174,963.14 is: 241,450.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,193.86 : 439,109.18 = 174,963.14 : x
  2. Step 2: Convert to fraction form
    318,193.86/439,109.18 = 174,963.14/x
  3. Step 3: Cross multiply
    318,193.86x = 439,109.18 × 174,963.14
  4. Step 4: Simplify right side
    318,193.86x = 76,827,920,935.63
  5. Step 5: Solve for x
    x = 76,827,920,935.63/318,193.86
  6. Step 6: Final answer
    x = 241,450.04

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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.