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Finding the Fourth Proportional to 388,045,562.60, 582,068,343.90 and 335,893,485.80

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Solution

The fourth proportional to 388,045,562.60, 582,068,343.90 and 335,893,485.80 is: 503,840,228.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,045,562.60 : 582,068,343.90 = 335,893,485.80 : x
  2. Step 2: Convert to fraction form
    388,045,562.60/582,068,343.90 = 335,893,485.80/x
  3. Step 3: Cross multiply
    388,045,562.60x = 582,068,343.90 × 335,893,485.80
  4. Step 4: Simplify right side
    388,045,562.60x = 195,512,965,006,404,160
  5. Step 5: Solve for x
    x = 195,512,965,006,404,160/388,045,562.60
  6. Step 6: Final answer
    x = 503,840,228.70

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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.