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Finding the Fourth Proportional to 429,451.75, 592,698.09 and 259,687.09

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Solution

The fourth proportional to 429,451.75, 592,698.09 and 259,687.09 is: 358,401.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,451.75 : 592,698.09 = 259,687.09 : x
  2. Step 2: Convert to fraction form
    429,451.75/592,698.09 = 259,687.09/x
  3. Step 3: Cross multiply
    429,451.75x = 592,698.09 × 259,687.09
  4. Step 4: Simplify right side
    429,451.75x = 153,916,042,240.66
  5. Step 5: Solve for x
    x = 153,916,042,240.66/429,451.75
  6. Step 6: Final answer
    x = 358,401.25

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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.