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Finding the Fourth Proportional to 538,451.60, 807,670.20 and 164,476.40

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Solution

The fourth proportional to 538,451.60, 807,670.20 and 164,476.40 is: 246,712.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    538,451.60 : 807,670.20 = 164,476.40 : x
  2. Step 2: Convert to fraction form
    538,451.60/807,670.20 = 164,476.40/x
  3. Step 3: Cross multiply
    538,451.60x = 807,670.20 × 164,476.40
  4. Step 4: Simplify right side
    538,451.60x = 132,842,686,883.28
  5. Step 5: Solve for x
    x = 132,842,686,883.28/538,451.60
  6. Step 6: Final answer
    x = 246,712.40

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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.