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Finding the Fourth Proportional to 395,465.43, 594,882 and 358,472.22

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Solution

The fourth proportional to 395,465.43, 594,882 and 358,472.22 is: 539,234.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,465.43 : 594,882 = 358,472.22 : x
  2. Step 2: Convert to fraction form
    395,465.43/594,882 = 358,472.22/x
  3. Step 3: Cross multiply
    395,465.43x = 594,882 × 358,472.22
  4. Step 4: Simplify right side
    395,465.43x = 213,248,671,178.04
  5. Step 5: Solve for x
    x = 213,248,671,178.04/395,465.43
  6. Step 6: Final answer
    x = 539,234.67

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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.