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Finding the Fourth Proportional to 504,110.53, 695,688.29 and 289,289.89

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Solution

The fourth proportional to 504,110.53, 695,688.29 and 289,289.89 is: 399,229.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    504,110.53 : 695,688.29 = 289,289.89 : x
  2. Step 2: Convert to fraction form
    504,110.53/695,688.29 = 289,289.89/x
  3. Step 3: Cross multiply
    504,110.53x = 695,688.29 × 289,289.89
  4. Step 4: Simplify right side
    504,110.53x = 201,255,588,888.39
  5. Step 5: Solve for x
    x = 201,255,588,888.39/504,110.53
  6. Step 6: Final answer
    x = 399,229.09

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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.