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Finding the Fourth Proportional to 429,450.75, 592,696.71 and 259,686.09

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Solution

The fourth proportional to 429,450.75, 592,696.71 and 259,686.09 is: 358,399.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    429,450.75 : 592,696.71 = 259,686.09 : x
  2. Step 2: Convert to fraction form
    429,450.75/592,696.71 = 259,686.09/x
  3. Step 3: Cross multiply
    429,450.75x = 592,696.71 × 259,686.09
  4. Step 4: Simplify right side
    429,450.75x = 153,915,091,175.76
  5. Step 5: Solve for x
    x = 153,915,091,175.76/429,450.75
  6. Step 6: Final answer
    x = 358,399.87

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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.