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Finding the Fourth Proportional to 293,395,477.60, 440,093,216.40 and 88,896,980.80

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Solution

The fourth proportional to 293,395,477.60, 440,093,216.40 and 88,896,980.80 is: 133,345,471.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,395,477.60 : 440,093,216.40 = 88,896,980.80 : x
  2. Step 2: Convert to fraction form
    293,395,477.60/440,093,216.40 = 88,896,980.80/x
  3. Step 3: Cross multiply
    293,395,477.60x = 440,093,216.40 × 88,896,980.80
  4. Step 4: Simplify right side
    293,395,477.60x = 39,122,958,208,521,040
  5. Step 5: Solve for x
    x = 39,122,958,208,521,040/293,395,477.60
  6. Step 6: Final answer
    x = 133,345,471.20

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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.