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Finding the Fourth Proportional to 398,569,344.40, 597,854,016.60 and 183,578,496.40

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Solution

The fourth proportional to 398,569,344.40, 597,854,016.60 and 183,578,496.40 is: 275,367,744.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    398,569,344.40 : 597,854,016.60 = 183,578,496.40 : x
  2. Step 2: Convert to fraction form
    398,569,344.40/597,854,016.60 = 183,578,496.40/x
  3. Step 3: Cross multiply
    398,569,344.40x = 597,854,016.60 × 183,578,496.40
  4. Step 4: Simplify right side
    398,569,344.40x = 109,753,141,434,128,656
  5. Step 5: Solve for x
    x = 109,753,141,434,128,656/398,569,344.40
  6. Step 6: Final answer
    x = 275,367,744.60

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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.