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Finding the Fourth Proportional to 525,473.72, 788,321.28 and 170,460.02

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Solution

The fourth proportional to 525,473.72, 788,321.28 and 170,460.02 is: 255,725.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,473.72 : 788,321.28 = 170,460.02 : x
  2. Step 2: Convert to fraction form
    525,473.72/788,321.28 = 170,460.02/x
  3. Step 3: Cross multiply
    525,473.72x = 788,321.28 × 170,460.02
  4. Step 4: Simplify right side
    525,473.72x = 134,377,261,155.23
  5. Step 5: Solve for x
    x = 134,377,261,155.23/525,473.72
  6. Step 6: Final answer
    x = 255,725.94

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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.