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Finding the Fourth Proportional to 466,765.20, 700,666.20 and 289,472.40

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Solution

The fourth proportional to 466,765.20, 700,666.20 and 289,472.40 is: 434,530.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    466,765.20 : 700,666.20 = 289,472.40 : x
  2. Step 2: Convert to fraction form
    466,765.20/700,666.20 = 289,472.40/x
  3. Step 3: Cross multiply
    466,765.20x = 700,666.20 × 289,472.40
  4. Step 4: Simplify right side
    466,765.20x = 202,823,526,512.88
  5. Step 5: Solve for x
    x = 202,823,526,512.88/466,765.20
  6. Step 6: Final answer
    x = 434,530.09

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1.5x scale

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.