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Finding the Fourth Proportional to 417,857.01, 627,089.88 and 151,638.98

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Solution

The fourth proportional to 417,857.01, 627,089.88 and 151,638.98 is: 227,568.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,857.01 : 627,089.88 = 151,638.98 : x
  2. Step 2: Convert to fraction form
    417,857.01/627,089.88 = 151,638.98/x
  3. Step 3: Cross multiply
    417,857.01x = 627,089.88 × 151,638.98
  4. Step 4: Simplify right side
    417,857.01x = 95,091,266,636.07
  5. Step 5: Solve for x
    x = 95,091,266,636.07/417,857.01
  6. Step 6: Final answer
    x = 227,568.92

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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.