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Finding the Fourth Proportional to 623,752,922.24, 860,785,835.13 and 345,299,095.88

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Solution

The fourth proportional to 623,752,922.24, 860,785,835.13 and 345,299,095.88 is: 476,516,518.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,752,922.24 : 860,785,835.13 = 345,299,095.88 : x
  2. Step 2: Convert to fraction form
    623,752,922.24/860,785,835.13 = 345,299,095.88/x
  3. Step 3: Cross multiply
    623,752,922.24x = 860,785,835.13 × 345,299,095.88
  4. Step 4: Simplify right side
    623,752,922.24x = 297,228,570,612,395,840
  5. Step 5: Solve for x
    x = 297,228,570,612,395,840/623,752,922.24
  6. Step 6: Final answer
    x = 476,516,518.03

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