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Finding the Fourth Proportional to 587,769.80, 881,654.70 and 530,630.60

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Solution

The fourth proportional to 587,769.80, 881,654.70 and 530,630.60 is: 795,945.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,769.80 : 881,654.70 = 530,630.60 : x
  2. Step 2: Convert to fraction form
    587,769.80/881,654.70 = 530,630.60/x
  3. Step 3: Cross multiply
    587,769.80x = 881,654.70 × 530,630.60
  4. Step 4: Simplify right side
    587,769.80x = 467,832,962,453.82
  5. Step 5: Solve for x
    x = 467,832,962,453.82/587,769.80
  6. Step 6: Final answer
    x = 795,945.90

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Double scale
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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.