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Finding the Fourth Proportional to 935,665, 1,402,960.26 and 366,379.56

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Solution

The fourth proportional to 935,665, 1,402,960.26 and 366,379.56 is: 549,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,665 : 1,402,960.26 = 366,379.56 : x
  2. Step 2: Convert to fraction form
    935,665/1,402,960.26 = 366,379.56/x
  3. Step 3: Cross multiply
    935,665x = 1,402,960.26 × 366,379.56
  4. Step 4: Simplify right side
    935,665x = 514,015,962,756.29
  5. Step 5: Solve for x
    x = 514,015,962,756.29/935,665
  6. Step 6: Final answer
    x = 549,358.97

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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.