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Finding the Fourth Proportional to 318,333.34, 439,300.23 and 175,104.28

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Solution

The fourth proportional to 318,333.34, 439,300.23 and 175,104.28 is: 241,644.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    318,333.34 : 439,300.23 = 175,104.28 : x
  2. Step 2: Convert to fraction form
    318,333.34/439,300.23 = 175,104.28/x
  3. Step 3: Cross multiply
    318,333.34x = 439,300.23 × 175,104.28
  4. Step 4: Simplify right side
    318,333.34x = 76,923,350,477.98
  5. Step 5: Solve for x
    x = 76,923,350,477.98/318,333.34
  6. Step 6: Final answer
    x = 241,644.03

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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.