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Finding the Fourth Proportional to 582,730.52, 874,095.78 and 209,015.96

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Solution

The fourth proportional to 582,730.52, 874,095.78 and 209,015.96 is: 313,523.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,730.52 : 874,095.78 = 209,015.96 : x
  2. Step 2: Convert to fraction form
    582,730.52/874,095.78 = 209,015.96/x
  3. Step 3: Cross multiply
    582,730.52x = 874,095.78 × 209,015.96
  4. Step 4: Simplify right side
    582,730.52x = 182,699,968,588.65
  5. Step 5: Solve for x
    x = 182,699,968,588.65/582,730.52
  6. Step 6: Final answer
    x = 313,523.94

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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.