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Finding the Fourth Proportional to 468,866.74, 647,035.32 and 254,012.26

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Solution

The fourth proportional to 468,866.74, 647,035.32 and 254,012.26 is: 350,536.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,866.74 : 647,035.32 = 254,012.26 : x
  2. Step 2: Convert to fraction form
    468,866.74/647,035.32 = 254,012.26/x
  3. Step 3: Cross multiply
    468,866.74x = 647,035.32 × 254,012.26
  4. Step 4: Simplify right side
    468,866.74x = 164,354,903,933.02
  5. Step 5: Solve for x
    x = 164,354,903,933.02/468,866.74
  6. Step 6: Final answer
    x = 350,536.50

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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.