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Finding the Fourth Proportional to 417,504.41, 575,775.68 and 353,108.67

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Solution

The fourth proportional to 417,504.41, 575,775.68 and 353,108.67 is: 486,968.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,504.41 : 575,775.68 = 353,108.67 : x
  2. Step 2: Convert to fraction form
    417,504.41/575,775.68 = 353,108.67/x
  3. Step 3: Cross multiply
    417,504.41x = 575,775.68 × 353,108.67
  4. Step 4: Simplify right side
    417,504.41x = 203,311,380,658.44
  5. Step 5: Solve for x
    x = 203,311,380,658.44/417,504.41
  6. Step 6: Final answer
    x = 486,968.22

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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.