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Finding the Fourth Proportional to 525,818.22, 788,860.02 and 146,738.64

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Solution

The fourth proportional to 525,818.22, 788,860.02 and 146,738.64 is: 220,144.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,818.22 : 788,860.02 = 146,738.64 : x
  2. Step 2: Convert to fraction form
    525,818.22/788,860.02 = 146,738.64/x
  3. Step 3: Cross multiply
    525,818.22x = 788,860.02 × 146,738.64
  4. Step 4: Simplify right side
    525,818.22x = 115,756,246,485.17
  5. Step 5: Solve for x
    x = 115,756,246,485.17/525,818.22
  6. Step 6: Final answer
    x = 220,144.99

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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.