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Finding the Fourth Proportional to 525,486.02, 788,228.66 and 170,500.04

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Solution

The fourth proportional to 525,486.02, 788,228.66 and 170,500.04 is: 255,749.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,486.02 : 788,228.66 = 170,500.04 : x
  2. Step 2: Convert to fraction form
    525,486.02/788,228.66 = 170,500.04/x
  3. Step 3: Cross multiply
    525,486.02x = 788,228.66 × 170,500.04
  4. Step 4: Simplify right side
    525,486.02x = 134,393,018,059.15
  5. Step 5: Solve for x
    x = 134,393,018,059.15/525,486.02
  6. Step 6: Final answer
    x = 255,749.94

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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.