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Finding the Fourth Proportional to 574,530,833.54, 861,917,300.16 and 186,323,393.90

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Solution

The fourth proportional to 574,530,833.54, 861,917,300.16 and 186,323,393.90 is: 279,524,347.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,530,833.54 : 861,917,300.16 = 186,323,393.90 : x
  2. Step 2: Convert to fraction form
    574,530,833.54/861,917,300.16 = 186,323,393.90/x
  3. Step 3: Cross multiply
    574,530,833.54x = 861,917,300.16 × 186,323,393.90
  4. Step 4: Simplify right side
    574,530,833.54x = 160,595,356,626,936,224
  5. Step 5: Solve for x
    x = 160,595,356,626,936,224/574,530,833.54
  6. Step 6: Final answer
    x = 279,524,347.96

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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.