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Finding the Fourth Proportional to 525,548.33, 725,256.51 and 283,830.95

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Solution

The fourth proportional to 525,548.33, 725,256.51 and 283,830.95 is: 391,686.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,548.33 : 725,256.51 = 283,830.95 : x
  2. Step 2: Convert to fraction form
    525,548.33/725,256.51 = 283,830.95/x
  3. Step 3: Cross multiply
    525,548.33x = 725,256.51 × 283,830.95
  4. Step 4: Simplify right side
    525,548.33x = 205,850,244,226.99
  5. Step 5: Solve for x
    x = 205,850,244,226.99/525,548.33
  6. Step 6: Final answer
    x = 391,686.61

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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.