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Finding the Fourth Proportional to 323,995.69, 486,210.45 and 134,456.24

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Solution

The fourth proportional to 323,995.69, 486,210.45 and 134,456.24 is: 201,774.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,995.69 : 486,210.45 = 134,456.24 : x
  2. Step 2: Convert to fraction form
    323,995.69/486,210.45 = 134,456.24/x
  3. Step 3: Cross multiply
    323,995.69x = 486,210.45 × 134,456.24
  4. Step 4: Simplify right side
    323,995.69x = 65,374,028,955.71
  5. Step 5: Solve for x
    x = 65,374,028,955.71/323,995.69
  6. Step 6: Final answer
    x = 201,774.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.