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Finding the Fourth Proportional to 623,167,476.60, 934,751,214.90 and 259,614,593.40

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Solution

The fourth proportional to 623,167,476.60, 934,751,214.90 and 259,614,593.40 is: 389,421,890.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,167,476.60 : 934,751,214.90 = 259,614,593.40 : x
  2. Step 2: Convert to fraction form
    623,167,476.60/934,751,214.90 = 259,614,593.40/x
  3. Step 3: Cross multiply
    623,167,476.60x = 934,751,214.90 × 259,614,593.40
  4. Step 4: Simplify right side
    623,167,476.60x = 242,675,056,586,419,520
  5. Step 5: Solve for x
    x = 242,675,056,586,419,520/623,167,476.60
  6. Step 6: Final answer
    x = 389,421,890.10

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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.