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Finding the Fourth Proportional to 504,705.44, 696,542.28 and 377,159.60

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Solution

The fourth proportional to 504,705.44, 696,542.28 and 377,159.60 is: 520,516.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,705.44 : 696,542.28 = 377,159.60 : x
  2. Step 2: Convert to fraction form
    504,705.44/696,542.28 = 377,159.60/x
  3. Step 3: Cross multiply
    504,705.44x = 696,542.28 × 377,159.60
  4. Step 4: Simplify right side
    504,705.44x = 262,707,607,707.89
  5. Step 5: Solve for x
    x = 262,707,607,707.89/504,705.44
  6. Step 6: Final answer
    x = 520,516.70

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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.