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Finding the Fourth Proportional to 468,516.24, 703,054.26 and 430,401.96

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Solution

The fourth proportional to 468,516.24, 703,054.26 and 430,401.96 is: 645,860.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,516.24 : 703,054.26 = 430,401.96 : x
  2. Step 2: Convert to fraction form
    468,516.24/703,054.26 = 430,401.96/x
  3. Step 3: Cross multiply
    468,516.24x = 703,054.26 × 430,401.96
  4. Step 4: Simplify right side
    468,516.24x = 302,595,931,490.35
  5. Step 5: Solve for x
    x = 302,595,931,490.35/468,516.24
  6. Step 6: Final answer
    x = 645,860.07

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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.