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Finding the Fourth Proportional to 716,718.32, 988,958.38 and 410,735.84

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Solution

The fourth proportional to 716,718.32, 988,958.38 and 410,735.84 is: 566,750.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,718.32 : 988,958.38 = 410,735.84 : x
  2. Step 2: Convert to fraction form
    716,718.32/988,958.38 = 410,735.84/x
  3. Step 3: Cross multiply
    716,718.32x = 988,958.38 × 410,735.84
  4. Step 4: Simplify right side
    716,718.32x = 406,200,650,934.34
  5. Step 5: Solve for x
    x = 406,200,650,934.34/716,718.32
  6. Step 6: Final answer
    x = 566,750.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.