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Finding the Fourth Proportional to 468,515.44, 646,550.49 and 253,655.50

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Solution

The fourth proportional to 468,515.44, 646,550.49 and 253,655.50 is: 350,044.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,515.44 : 646,550.49 = 253,655.50 : x
  2. Step 2: Convert to fraction form
    468,515.44/646,550.49 = 253,655.50/x
  3. Step 3: Cross multiply
    468,515.44x = 646,550.49 × 253,655.50
  4. Step 4: Simplify right side
    468,515.44x = 164,001,087,816.20
  5. Step 5: Solve for x
    x = 164,001,087,816.20/468,515.44
  6. Step 6: Final answer
    x = 350,044.15

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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.