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Finding the Fourth Proportional to 957,375, 1,436,308.61 and 358,344.77

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Solution

The fourth proportional to 957,375, 1,436,308.61 and 358,344.77 is: 537,609.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,375 : 1,436,308.61 = 358,344.77 : x
  2. Step 2: Convert to fraction form
    957,375/1,436,308.61 = 358,344.77/x
  3. Step 3: Cross multiply
    957,375x = 1,436,308.61 × 358,344.77
  4. Step 4: Simplify right side
    957,375x = 514,693,669,526.20
  5. Step 5: Solve for x
    x = 514,693,669,526.20/957,375
  6. Step 6: Final answer
    x = 537,609.26

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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.