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Finding the Fourth Proportional to 501,659.64, 752,486.68 and 122,582.48

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Solution

The fourth proportional to 501,659.64, 752,486.68 and 122,582.48 is: 183,873.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,659.64 : 752,486.68 = 122,582.48 : x
  2. Step 2: Convert to fraction form
    501,659.64/752,486.68 = 122,582.48/x
  3. Step 3: Cross multiply
    501,659.64x = 752,486.68 × 122,582.48
  4. Step 4: Simplify right side
    501,659.64x = 92,241,679,332.48
  5. Step 5: Solve for x
    x = 92,241,679,332.48/501,659.64
  6. Step 6: Final answer
    x = 183,873.03

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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.