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Finding the Fourth Proportional to 716,441.49, 988,830.54 and 410,723.10

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Solution

The fourth proportional to 716,441.49, 988,830.54 and 410,723.10 is: 566,878.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,441.49 : 988,830.54 = 410,723.10 : x
  2. Step 2: Convert to fraction form
    716,441.49/988,830.54 = 410,723.10/x
  3. Step 3: Cross multiply
    716,441.49x = 988,830.54 × 410,723.10
  4. Step 4: Simplify right side
    716,441.49x = 406,135,544,763.47
  5. Step 5: Solve for x
    x = 406,135,544,763.47/716,441.49
  6. Step 6: Final answer
    x = 566,878.87

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