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Finding the Fourth Proportional to 582,078.40, 873,117.60 and 188,094.40

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Solution

The fourth proportional to 582,078.40, 873,117.60 and 188,094.40 is: 282,141.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    582,078.40 : 873,117.60 = 188,094.40 : x
  2. Step 2: Convert to fraction form
    582,078.40/873,117.60 = 188,094.40/x
  3. Step 3: Cross multiply
    582,078.40x = 873,117.60 × 188,094.40
  4. Step 4: Simplify right side
    582,078.40x = 164,228,531,101.44
  5. Step 5: Solve for x
    x = 164,228,531,101.44/582,078.40
  6. Step 6: Final answer
    x = 282,141.60

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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.