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Finding the Fourth Proportional to 583,270.60, 874,905.90 and 543,904.60

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Solution

The fourth proportional to 583,270.60, 874,905.90 and 543,904.60 is: 815,856.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,270.60 : 874,905.90 = 543,904.60 : x
  2. Step 2: Convert to fraction form
    583,270.60/874,905.90 = 543,904.60/x
  3. Step 3: Cross multiply
    583,270.60x = 874,905.90 × 543,904.60
  4. Step 4: Simplify right side
    583,270.60x = 475,865,343,577.14
  5. Step 5: Solve for x
    x = 475,865,343,577.14/583,270.60
  6. Step 6: Final answer
    x = 815,856.90

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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.