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Finding the Fourth Proportional to 583,318.67, 874,978.01 and 183,990.58

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Solution

The fourth proportional to 583,318.67, 874,978.01 and 183,990.58 is: 275,985.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,318.67 : 874,978.01 = 183,990.58 : x
  2. Step 2: Convert to fraction form
    583,318.67/874,978.01 = 183,990.58/x
  3. Step 3: Cross multiply
    583,318.67x = 874,978.01 × 183,990.58
  4. Step 4: Simplify right side
    583,318.67x = 160,987,709,819.68
  5. Step 5: Solve for x
    x = 160,987,709,819.68/583,318.67
  6. Step 6: Final answer
    x = 275,985.87

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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.