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Finding the Fourth Proportional to 318,504.96, 439,511.04 and 175,242.24

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Solution

The fourth proportional to 318,504.96, 439,511.04 and 175,242.24 is: 241,820.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,504.96 : 439,511.04 = 175,242.24 : x
  2. Step 2: Convert to fraction form
    318,504.96/439,511.04 = 175,242.24/x
  3. Step 3: Cross multiply
    318,504.96x = 439,511.04 × 175,242.24
  4. Step 4: Simplify right side
    318,504.96x = 77,020,899,154.33
  5. Step 5: Solve for x
    x = 77,020,899,154.33/318,504.96
  6. Step 6: Final answer
    x = 241,820.09

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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.