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Finding the Fourth Proportional to 525,610.63, 788,514.23 and 245,127.88

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Solution

The fourth proportional to 525,610.63, 788,514.23 and 245,127.88 is: 367,737.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,610.63 : 788,514.23 = 245,127.88 : x
  2. Step 2: Convert to fraction form
    525,610.63/788,514.23 = 245,127.88/x
  3. Step 3: Cross multiply
    525,610.63x = 788,514.23 × 245,127.88
  4. Step 4: Simplify right side
    525,610.63x = 193,286,821,549.73
  5. Step 5: Solve for x
    x = 193,286,821,549.73/525,610.63
  6. Step 6: Final answer
    x = 367,737.66

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.