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Finding the Fourth Proportional to 436,996,687.80, 655,495,031.70 and 113,880,559.80

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Solution

The fourth proportional to 436,996,687.80, 655,495,031.70 and 113,880,559.80 is: 170,820,839.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,996,687.80 : 655,495,031.70 = 113,880,559.80 : x
  2. Step 2: Convert to fraction form
    436,996,687.80/655,495,031.70 = 113,880,559.80/x
  3. Step 3: Cross multiply
    436,996,687.80x = 655,495,031.70 × 113,880,559.80
  4. Step 4: Simplify right side
    436,996,687.80x = 74,648,141,156,114,752
  5. Step 5: Solve for x
    x = 74,648,141,156,114,752/436,996,687.80
  6. Step 6: Final answer
    x = 170,820,839.70

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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.