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Finding the Fourth Proportional to 354,375,763.10, 531,563,644.65 and 95,590,483.10

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Solution

The fourth proportional to 354,375,763.10, 531,563,644.65 and 95,590,483.10 is: 143,385,724.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    354,375,763.10 : 531,563,644.65 = 95,590,483.10 : x
  2. Step 2: Convert to fraction form
    354,375,763.10/531,563,644.65 = 95,590,483.10/x
  3. Step 3: Cross multiply
    354,375,763.10x = 531,563,644.65 × 95,590,483.10
  4. Step 4: Simplify right side
    354,375,763.10x = 50,812,425,590,490,224
  5. Step 5: Solve for x
    x = 50,812,425,590,490,224/354,375,763.10
  6. Step 6: Final answer
    x = 143,385,724.65

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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.