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Finding the Fourth Proportional to 582,146.96, 873,220.44 and 208,147.28

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Solution

The fourth proportional to 582,146.96, 873,220.44 and 208,147.28 is: 312,220.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,146.96 : 873,220.44 = 208,147.28 : x
  2. Step 2: Convert to fraction form
    582,146.96/873,220.44 = 208,147.28/x
  3. Step 3: Cross multiply
    582,146.96x = 873,220.44 × 208,147.28
  4. Step 4: Simplify right side
    582,146.96x = 181,758,459,426.40
  5. Step 5: Solve for x
    x = 181,758,459,426.40/582,146.96
  6. Step 6: Final answer
    x = 312,220.92

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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.