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Finding the Fourth Proportional to 883,301.63, 1,218,956.31 and 480,893.63

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Solution

The fourth proportional to 883,301.63, 1,218,956.31 and 480,893.63 is: 663,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,301.63 : 1,218,956.31 = 480,893.63 : x
  2. Step 2: Convert to fraction form
    883,301.63/1,218,956.31 = 480,893.63/x
  3. Step 3: Cross multiply
    883,301.63x = 1,218,956.31 × 480,893.63
  4. Step 4: Simplify right side
    883,301.63x = 586,188,318,632.52
  5. Step 5: Solve for x
    x = 586,188,318,632.52/883,301.63
  6. Step 6: Final answer
    x = 663,633.24

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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.