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Finding the Fourth Proportional to 623,174.45, 934,918.94 and 173,894.92

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Solution

The fourth proportional to 623,174.45, 934,918.94 and 173,894.92 is: 260,886.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,174.45 : 934,918.94 = 173,894.92 : x
  2. Step 2: Convert to fraction form
    623,174.45/934,918.94 = 173,894.92/x
  3. Step 3: Cross multiply
    623,174.45x = 934,918.94 × 173,894.92
  4. Step 4: Simplify right side
    623,174.45x = 162,577,652,375.23
  5. Step 5: Solve for x
    x = 162,577,652,375.23/623,174.45
  6. Step 6: Final answer
    x = 260,886.26

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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.