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Finding the Fourth Proportional to 587,735.20, 881,602.80 and 377,783.20

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Solution

The fourth proportional to 587,735.20, 881,602.80 and 377,783.20 is: 566,674.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,735.20 : 881,602.80 = 377,783.20 : x
  2. Step 2: Convert to fraction form
    587,735.20/881,602.80 = 377,783.20/x
  3. Step 3: Cross multiply
    587,735.20x = 881,602.80 × 377,783.20
  4. Step 4: Simplify right side
    587,735.20x = 333,054,726,912.96
  5. Step 5: Solve for x
    x = 333,054,726,912.96/587,735.20
  6. Step 6: Final answer
    x = 566,674.80

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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.