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Finding the Fourth Proportional to 388,045,586.60, 582,068,379.90 and 335,893,509.80

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Solution

The fourth proportional to 388,045,586.60, 582,068,379.90 and 335,893,509.80 is: 503,840,264.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    388,045,586.60 : 582,068,379.90 = 335,893,509.80 : x
  2. Step 2: Convert to fraction form
    388,045,586.60/582,068,379.90 = 335,893,509.80/x
  3. Step 3: Cross multiply
    388,045,586.60x = 582,068,379.90 × 335,893,509.80
  4. Step 4: Simplify right side
    388,045,586.60x = 195,512,991,068,210,784
  5. Step 5: Solve for x
    x = 195,512,991,068,210,784/388,045,586.60
  6. Step 6: Final answer
    x = 503,840,264.70

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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.