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Finding the Fourth Proportional to 368,904,361.76, 553,453,457.28 and 132,577,744.13

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Solution

The fourth proportional to 368,904,361.76, 553,453,457.28 and 132,577,744.13 is: 198,901,445.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,904,361.76 : 553,453,457.28 = 132,577,744.13 : x
  2. Step 2: Convert to fraction form
    368,904,361.76/553,453,457.28 = 132,577,744.13/x
  3. Step 3: Cross multiply
    368,904,361.76x = 553,453,457.28 × 132,577,744.13
  4. Step 4: Simplify right side
    368,904,361.76x = 73,375,610,847,131,712
  5. Step 5: Solve for x
    x = 73,375,610,847,131,712/368,904,361.76
  6. Step 6: Final answer
    x = 198,901,445.61

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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.