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Finding the Fourth Proportional to 525,652.06, 788,660.96 and 165,878.40

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Solution

The fourth proportional to 525,652.06, 788,660.96 and 165,878.40 is: 248,875.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,652.06 : 788,660.96 = 165,878.40 : x
  2. Step 2: Convert to fraction form
    525,652.06/788,660.96 = 165,878.40/x
  3. Step 3: Cross multiply
    525,652.06x = 788,660.96 × 165,878.40
  4. Step 4: Simplify right side
    525,652.06x = 130,821,818,187.26
  5. Step 5: Solve for x
    x = 130,821,818,187.26/525,652.06
  6. Step 6: Final answer
    x = 248,875.31

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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.