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Finding the Fourth Proportional to 680,690.64, 1,021,035.72 and 182,041.68

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Solution

The fourth proportional to 680,690.64, 1,021,035.72 and 182,041.68 is: 273,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,690.64 : 1,021,035.72 = 182,041.68 : x
  2. Step 2: Convert to fraction form
    680,690.64/1,021,035.72 = 182,041.68/x
  3. Step 3: Cross multiply
    680,690.64x = 1,021,035.72 × 182,041.68
  4. Step 4: Simplify right side
    680,690.64x = 185,871,057,808.81
  5. Step 5: Solve for x
    x = 185,871,057,808.81/680,690.64
  6. Step 6: Final answer
    x = 273,062.46

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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.