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Finding the Fourth Proportional to 582,439.56, 873,658.72 and 183,115.22

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Solution

The fourth proportional to 582,439.56, 873,658.72 and 183,115.22 is: 274,672.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,439.56 : 873,658.72 = 183,115.22 : x
  2. Step 2: Convert to fraction form
    582,439.56/873,658.72 = 183,115.22/x
  3. Step 3: Cross multiply
    582,439.56x = 873,658.72 × 183,115.22
  4. Step 4: Simplify right side
    582,439.56x = 159,980,208,717.72
  5. Step 5: Solve for x
    x = 159,980,208,717.72/582,439.56
  6. Step 6: Final answer
    x = 274,672.64

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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.