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Finding the Fourth Proportional to 250,983,728.40, 376,475,592.60 and 174,456,224.40

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Solution

The fourth proportional to 250,983,728.40, 376,475,592.60 and 174,456,224.40 is: 261,684,336.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,983,728.40 : 376,475,592.60 = 174,456,224.40 : x
  2. Step 2: Convert to fraction form
    250,983,728.40/376,475,592.60 = 174,456,224.40/x
  3. Step 3: Cross multiply
    250,983,728.40x = 376,475,592.60 × 174,456,224.40
  4. Step 4: Simplify right side
    250,983,728.40x = 65,678,510,463,748,584
  5. Step 5: Solve for x
    x = 65,678,510,463,748,584/250,983,728.40
  6. Step 6: Final answer
    x = 261,684,336.60

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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.