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Finding the Fourth Proportional to 530,318.80, 794,311.80 and 460,334.80

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Solution

The fourth proportional to 530,318.80, 794,311.80 and 460,334.80 is: 689,489.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,318.80 : 794,311.80 = 460,334.80 : x
  2. Step 2: Convert to fraction form
    530,318.80/794,311.80 = 460,334.80/x
  3. Step 3: Cross multiply
    530,318.80x = 794,311.80 × 460,334.80
  4. Step 4: Simplify right side
    530,318.80x = 365,649,363,590.64
  5. Step 5: Solve for x
    x = 365,649,363,590.64/530,318.80
  6. Step 6: Final answer
    x = 689,489.73

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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.