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Finding the Fourth Proportional to 500,662.76, 751,090.81 and 163,612.50

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Solution

The fourth proportional to 500,662.76, 751,090.81 and 163,612.50 is: 245,450.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    500,662.76 : 751,090.81 = 163,612.50 : x
  2. Step 2: Convert to fraction form
    500,662.76/751,090.81 = 163,612.50/x
  3. Step 3: Cross multiply
    500,662.76x = 751,090.81 × 163,612.50
  4. Step 4: Simplify right side
    500,662.76x = 122,887,845,151.13
  5. Step 5: Solve for x
    x = 122,887,845,151.13/500,662.76
  6. Step 6: Final answer
    x = 245,450.34

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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.