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Finding the Fourth Proportional to 635,897.80, 953,846.70 and 162,558.10

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Solution

The fourth proportional to 635,897.80, 953,846.70 and 162,558.10 is: 243,837.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,897.80 : 953,846.70 = 162,558.10 : x
  2. Step 2: Convert to fraction form
    635,897.80/953,846.70 = 162,558.10/x
  3. Step 3: Cross multiply
    635,897.80x = 953,846.70 × 162,558.10
  4. Step 4: Simplify right side
    635,897.80x = 155,055,507,243.27
  5. Step 5: Solve for x
    x = 155,055,507,243.27/635,897.80
  6. Step 6: Final answer
    x = 243,837.15

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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.