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Finding the Fourth Proportional to 435,483,670.60, 653,225,505.90 and 432,460,361.80

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Solution

The fourth proportional to 435,483,670.60, 653,225,505.90 and 432,460,361.80 is: 648,690,542.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    435,483,670.60 : 653,225,505.90 = 432,460,361.80 : x
  2. Step 2: Convert to fraction form
    435,483,670.60/653,225,505.90 = 432,460,361.80/x
  3. Step 3: Cross multiply
    435,483,670.60x = 653,225,505.90 × 432,460,361.80
  4. Step 4: Simplify right side
    435,483,670.60x = 282,494,138,618,502,048
  5. Step 5: Solve for x
    x = 282,494,138,618,502,048/435,483,670.60
  6. Step 6: Final answer
    x = 648,690,542.70

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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.