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Finding the Fourth Proportional to 293,395,411.80, 440,093,117.70 and 132,152,275.80

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Solution

The fourth proportional to 293,395,411.80, 440,093,117.70 and 132,152,275.80 is: 198,228,413.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,411.80 : 440,093,117.70 = 132,152,275.80 : x
  2. Step 2: Convert to fraction form
    293,395,411.80/440,093,117.70 = 132,152,275.80/x
  3. Step 3: Cross multiply
    293,395,411.80x = 440,093,117.70 × 132,152,275.80
  4. Step 4: Simplify right side
    293,395,411.80x = 58,159,307,067,972,256
  5. Step 5: Solve for x
    x = 58,159,307,067,972,256/293,395,411.80
  6. Step 6: Final answer
    x = 198,228,413.70

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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.