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Finding the Fourth Proportional to 466,663.20, 700,513.20 and 289,370.40

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Solution

The fourth proportional to 466,663.20, 700,513.20 and 289,370.40 is: 434,377.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,663.20 : 700,513.20 = 289,370.40 : x
  2. Step 2: Convert to fraction form
    466,663.20/700,513.20 = 289,370.40/x
  3. Step 3: Cross multiply
    466,663.20x = 700,513.20 × 289,370.40
  4. Step 4: Simplify right side
    466,663.20x = 202,707,784,889.28
  5. Step 5: Solve for x
    x = 202,707,784,889.28/466,663.20
  6. Step 6: Final answer
    x = 434,377.05

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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.