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Finding the Fourth Proportional to 524,505,888.50, 723,799,114.62 and 289,551,492.14

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Solution

The fourth proportional to 524,505,888.50, 723,799,114.62 and 289,551,492.14 is: 399,570,563.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,505,888.50 : 723,799,114.62 = 289,551,492.14 : x
  2. Step 2: Convert to fraction form
    524,505,888.50/723,799,114.62 = 289,551,492.14/x
  3. Step 3: Cross multiply
    524,505,888.50x = 723,799,114.62 × 289,551,492.14
  4. Step 4: Simplify right side
    524,505,888.50x = 209,577,113,647,831,872
  5. Step 5: Solve for x
    x = 209,577,113,647,831,872/524,505,888.50
  6. Step 6: Final answer
    x = 399,570,563.92

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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.