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Finding the Fourth Proportional to 454,714.74, 681,094.59 and 368,940.18

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Solution

The fourth proportional to 454,714.74, 681,094.59 and 368,940.18 is: 552,617.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,714.74 : 681,094.59 = 368,940.18 : x
  2. Step 2: Convert to fraction form
    454,714.74/681,094.59 = 368,940.18/x
  3. Step 3: Cross multiply
    454,714.74x = 681,094.59 × 368,940.18
  4. Step 4: Simplify right side
    454,714.74x = 251,283,160,631.63
  5. Step 5: Solve for x
    x = 251,283,160,631.63/454,714.74
  6. Step 6: Final answer
    x = 552,617.14

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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.