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Finding the Fourth Proportional to 635,492.93, 953,238.85 and 162,178.34

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Solution

The fourth proportional to 635,492.93, 953,238.85 and 162,178.34 is: 243,267.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    635,492.93 : 953,238.85 = 162,178.34 : x
  2. Step 2: Convert to fraction form
    635,492.93/953,238.85 = 162,178.34/x
  3. Step 3: Cross multiply
    635,492.93x = 953,238.85 × 162,178.34
  4. Step 4: Simplify right side
    635,492.93x = 154,594,689,144.87
  5. Step 5: Solve for x
    x = 154,594,689,144.87/635,492.93
  6. Step 6: Final answer
    x = 243,267.36

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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.