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Finding the Fourth Proportional to 562,004.55, 775,577.60 and 307,372.11

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Solution

The fourth proportional to 562,004.55, 775,577.60 and 307,372.11 is: 424,179.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    562,004.55 : 775,577.60 = 307,372.11 : x
  2. Step 2: Convert to fraction form
    562,004.55/775,577.60 = 307,372.11/x
  3. Step 3: Cross multiply
    562,004.55x = 775,577.60 × 307,372.11
  4. Step 4: Simplify right side
    562,004.55x = 238,390,921,843.88
  5. Step 5: Solve for x
    x = 238,390,921,843.88/562,004.55
  6. Step 6: Final answer
    x = 424,179.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.