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Finding the Fourth Proportional to 530,152.60, 795,228.90 and 320,200.60

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Solution

The fourth proportional to 530,152.60, 795,228.90 and 320,200.60 is: 480,300.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,152.60 : 795,228.90 = 320,200.60 : x
  2. Step 2: Convert to fraction form
    530,152.60/795,228.90 = 320,200.60/x
  3. Step 3: Cross multiply
    530,152.60x = 795,228.90 × 320,200.60
  4. Step 4: Simplify right side
    530,152.60x = 254,632,770,917.34
  5. Step 5: Solve for x
    x = 254,632,770,917.34/530,152.60
  6. Step 6: Final answer
    x = 480,300.90

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Similar ratio
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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.