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Finding the Fourth Proportional to 662,362.24, 993,538.32 and 189,047.20

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Solution

The fourth proportional to 662,362.24, 993,538.32 and 189,047.20 is: 283,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,362.24 : 993,538.32 = 189,047.20 : x
  2. Step 2: Convert to fraction form
    662,362.24/993,538.32 = 189,047.20/x
  3. Step 3: Cross multiply
    662,362.24x = 993,538.32 × 189,047.20
  4. Step 4: Simplify right side
    662,362.24x = 187,825,637,488.70
  5. Step 5: Solve for x
    x = 187,825,637,488.70/662,362.24
  6. Step 6: Final answer
    x = 283,569.36

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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.