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Finding the Fourth Proportional to 402,466.91, 602,911.55 and 233,633.21

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Solution

The fourth proportional to 402,466.91, 602,911.55 and 233,633.21 is: 349,991.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    402,466.91 : 602,911.55 = 233,633.21 : x
  2. Step 2: Convert to fraction form
    402,466.91/602,911.55 = 233,633.21/x
  3. Step 3: Cross multiply
    402,466.91x = 602,911.55 × 233,633.21
  4. Step 4: Simplify right side
    402,466.91x = 140,860,156,589.85
  5. Step 5: Solve for x
    x = 140,860,156,589.85/402,466.91
  6. Step 6: Final answer
    x = 349,991.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.