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Finding the Fourth Proportional to 582,511.60, 873,767.40 and 208,399.60

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Solution

The fourth proportional to 582,511.60, 873,767.40 and 208,399.60 is: 312,599.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,511.60 : 873,767.40 = 208,399.60 : x
  2. Step 2: Convert to fraction form
    582,511.60/873,767.40 = 208,399.60/x
  3. Step 3: Cross multiply
    582,511.60x = 873,767.40 × 208,399.60
  4. Step 4: Simplify right side
    582,511.60x = 182,092,776,653.04
  5. Step 5: Solve for x
    x = 182,092,776,653.04/582,511.60
  6. Step 6: Final answer
    x = 312,599.40

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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.