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Finding the Fourth Proportional to 525,402.88, 725,003.62 and 295,953.77

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Solution

The fourth proportional to 525,402.88, 725,003.62 and 295,953.77 is: 408,386.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,402.88 : 725,003.62 = 295,953.77 : x
  2. Step 2: Convert to fraction form
    525,402.88/725,003.62 = 295,953.77/x
  3. Step 3: Cross multiply
    525,402.88x = 725,003.62 × 295,953.77
  4. Step 4: Simplify right side
    525,402.88x = 214,567,555,675.27
  5. Step 5: Solve for x
    x = 214,567,555,675.27/525,402.88
  6. Step 6: Final answer
    x = 408,386.72

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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.