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Finding the Fourth Proportional to 302,662,622.80, 453,993,934.20 and 149,607,614.80

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Solution

The fourth proportional to 302,662,622.80, 453,993,934.20 and 149,607,614.80 is: 224,411,422.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,662,622.80 : 453,993,934.20 = 149,607,614.80 : x
  2. Step 2: Convert to fraction form
    302,662,622.80/453,993,934.20 = 149,607,614.80/x
  3. Step 3: Cross multiply
    302,662,622.80x = 453,993,934.20 × 149,607,614.80
  4. Step 4: Simplify right side
    302,662,622.80x = 67,920,949,629,330,152
  5. Step 5: Solve for x
    x = 67,920,949,629,330,152/302,662,622.80
  6. Step 6: Final answer
    x = 224,411,422.20

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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.