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Finding the Fourth Proportional to 624,076,375.90, 860,810,714.22 and 401,339,661.52

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Solution

The fourth proportional to 624,076,375.90, 860,810,714.22 and 401,339,661.52 is: 553,582,051.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,076,375.90 : 860,810,714.22 = 401,339,661.52 : x
  2. Step 2: Convert to fraction form
    624,076,375.90/860,810,714.22 = 401,339,661.52/x
  3. Step 3: Cross multiply
    624,076,375.90x = 860,810,714.22 × 401,339,661.52
  4. Step 4: Simplify right side
    624,076,375.90x = 345,477,480,677,844,224
  5. Step 5: Solve for x
    x = 345,477,480,677,844,224/624,076,375.90
  6. Step 6: Final answer
    x = 553,582,051.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.