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Finding the Fourth Proportional to 314,929,266.70, 472,393,900.05 and 304,347,685.90

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Solution

The fourth proportional to 314,929,266.70, 472,393,900.05 and 304,347,685.90 is: 456,521,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,929,266.70 : 472,393,900.05 = 304,347,685.90 : x
  2. Step 2: Convert to fraction form
    314,929,266.70/472,393,900.05 = 304,347,685.90/x
  3. Step 3: Cross multiply
    314,929,266.70x = 472,393,900.05 × 304,347,685.90
  4. Step 4: Simplify right side
    314,929,266.70x = 143,771,990,313,493,392
  5. Step 5: Solve for x
    x = 143,771,990,313,493,392/314,929,266.70
  6. Step 6: Final answer
    x = 456,521,528.85

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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.