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Finding the Fourth Proportional to 572,095.40, 857,378.82 and 301,672.04

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Solution

The fourth proportional to 572,095.40, 857,378.82 and 301,672.04 is: 452,105.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,095.40 : 857,378.82 = 301,672.04 : x
  2. Step 2: Convert to fraction form
    572,095.40/857,378.82 = 301,672.04/x
  3. Step 3: Cross multiply
    572,095.40x = 857,378.82 × 301,672.04
  4. Step 4: Simplify right side
    572,095.40x = 258,647,217,682.19
  5. Step 5: Solve for x
    x = 258,647,217,682.19/572,095.40
  6. Step 6: Final answer
    x = 452,105.05

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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.