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Finding the Fourth Proportional to 469,666.88, 648,201.34 and 263,013.96

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Solution

The fourth proportional to 469,666.88, 648,201.34 and 263,013.96 is: 362,993.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,666.88 : 648,201.34 = 263,013.96 : x
  2. Step 2: Convert to fraction form
    469,666.88/648,201.34 = 263,013.96/x
  3. Step 3: Cross multiply
    469,666.88x = 648,201.34 × 263,013.96
  4. Step 4: Simplify right side
    469,666.88x = 170,486,001,310.71
  5. Step 5: Solve for x
    x = 170,486,001,310.71/469,666.88
  6. Step 6: Final answer
    x = 362,993.45

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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.