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Finding the Fourth Proportional to 883,143.92, 1,218,768.01 and 496,027.45

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Solution

The fourth proportional to 883,143.92, 1,218,768.01 and 496,027.45 is: 684,534.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,143.92 : 1,218,768.01 = 496,027.45 : x
  2. Step 2: Convert to fraction form
    883,143.92/1,218,768.01 = 496,027.45/x
  3. Step 3: Cross multiply
    883,143.92x = 1,218,768.01 × 496,027.45
  4. Step 4: Simplify right side
    883,143.92x = 604,542,388,141.88
  5. Step 5: Solve for x
    x = 604,542,388,141.88/883,143.92
  6. Step 6: Final answer
    x = 684,534.39

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.