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Finding the Fourth Proportional to 373,248,802.80, 559,873,204.20 and 256,347,529.20

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Solution

The fourth proportional to 373,248,802.80, 559,873,204.20 and 256,347,529.20 is: 384,521,293.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,248,802.80 : 559,873,204.20 = 256,347,529.20 : x
  2. Step 2: Convert to fraction form
    373,248,802.80/559,873,204.20 = 256,347,529.20/x
  3. Step 3: Cross multiply
    373,248,802.80x = 559,873,204.20 × 256,347,529.20
  4. Step 4: Simplify right side
    373,248,802.80x = 143,522,112,561,957,072
  5. Step 5: Solve for x
    x = 143,522,112,561,957,072/373,248,802.80
  6. Step 6: Final answer
    x = 384,521,293.80

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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.