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Finding the Fourth Proportional to 373,421.94, 515,175.57 and 229,933.14

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Solution

The fourth proportional to 373,421.94, 515,175.57 and 229,933.14 is: 317,217.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,421.94 : 515,175.57 = 229,933.14 : x
  2. Step 2: Convert to fraction form
    373,421.94/515,175.57 = 229,933.14/x
  3. Step 3: Cross multiply
    373,421.94x = 515,175.57 × 229,933.14
  4. Step 4: Simplify right side
    373,421.94x = 118,455,936,461.39
  5. Step 5: Solve for x
    x = 118,455,936,461.39/373,421.94
  6. Step 6: Final answer
    x = 317,217.40

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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.