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Finding the Fourth Proportional to 530,422.80, 794,467.80 and 460,438.80

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Solution

The fourth proportional to 530,422.80, 794,467.80 and 460,438.80 is: 689,645.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,422.80 : 794,467.80 = 460,438.80 : x
  2. Step 2: Convert to fraction form
    530,422.80/794,467.80 = 460,438.80/x
  3. Step 3: Cross multiply
    530,422.80x = 794,467.80 × 460,438.80
  4. Step 4: Simplify right side
    530,422.80x = 365,803,800,470.64
  5. Step 5: Solve for x
    x = 365,803,800,470.64/530,422.80
  6. Step 6: Final answer
    x = 689,645.69

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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.