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Finding the Fourth Proportional to 582,878.56, 874,319.46 and 162,154.84

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Solution

The fourth proportional to 582,878.56, 874,319.46 and 162,154.84 is: 243,232.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,878.56 : 874,319.46 = 162,154.84 : x
  2. Step 2: Convert to fraction form
    582,878.56/874,319.46 = 162,154.84/x
  3. Step 3: Cross multiply
    582,878.56x = 874,319.46 × 162,154.84
  4. Step 4: Simplify right side
    582,878.56x = 141,775,132,145.19
  5. Step 5: Solve for x
    x = 141,775,132,145.19/582,878.56
  6. Step 6: Final answer
    x = 243,232.71

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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.