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Finding the Fourth Proportional to 478,969.15, 660,982.04 and 264,116.83

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Solution

The fourth proportional to 478,969.15, 660,982.04 and 264,116.83 is: 364,483.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,969.15 : 660,982.04 = 264,116.83 : x
  2. Step 2: Convert to fraction form
    478,969.15/660,982.04 = 264,116.83/x
  3. Step 3: Cross multiply
    478,969.15x = 660,982.04 × 264,116.83
  4. Step 4: Simplify right side
    478,969.15x = 174,576,481,091.73
  5. Step 5: Solve for x
    x = 174,576,481,091.73/478,969.15
  6. Step 6: Final answer
    x = 364,483.77

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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.