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Finding the Fourth Proportional to 448,395,603.60, 672,699,693.60 and 230,079,640.80

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Solution

The fourth proportional to 448,395,603.60, 672,699,693.60 and 230,079,640.80 is: 345,173,999.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    448,395,603.60 : 672,699,693.60 = 230,079,640.80 : x
  2. Step 2: Convert to fraction form
    448,395,603.60/672,699,693.60 = 230,079,640.80/x
  3. Step 3: Cross multiply
    448,395,603.60x = 672,699,693.60 × 230,079,640.80
  4. Step 4: Simplify right side
    448,395,603.60x = 154,774,503,869,758,080
  5. Step 5: Solve for x
    x = 154,774,503,869,758,080/448,395,603.60
  6. Step 6: Final answer
    x = 345,173,999.54

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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.