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Finding the Fourth Proportional to 525,610.26, 788,598.36 and 165,836.66

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Solution

The fourth proportional to 525,610.26, 788,598.36 and 165,836.66 is: 248,812.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,610.26 : 788,598.36 = 165,836.66 : x
  2. Step 2: Convert to fraction form
    525,610.26/788,598.36 = 165,836.66/x
  3. Step 3: Cross multiply
    525,610.26x = 788,598.36 × 165,836.66
  4. Step 4: Simplify right side
    525,610.26x = 130,778,520,075.37
  5. Step 5: Solve for x
    x = 130,778,520,075.37/525,610.26
  6. Step 6: Final answer
    x = 248,812.72

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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.